{"schemaVersion":1,"atlasId":"climate","projectionWindows":{"north":[-125,25,85,85]},"sources":{"NE":{"title":"Natural Earth v5.1.2 full geographic reference","url":"https://github.com/nvkelso/natural-earth-vector/tree/v5.1.2","license":"Public domain","credit":"Natural Earth contributors","sha256":"239eec57ac17f100a11e2536cffc56752c318b50ae765b0918ff7aab4ce8f255"},"ADMIN1":{"title":"Natural Earth administrative references","url":"https://www.naturalearthdata.com/downloads/10m-cultural-vectors/10m-admin-1-states-provinces/","license":"Public domain","credit":"Natural Earth contributors","sha256":"22d0e3ad85eb3e27f17cabf8ba2d50e554fbc27a87796ff891d958185da62fb5"},"CLIO":{"title":"Cliopatria v0.2.1 historical polities","url":"https://github.com/Seshat-Global-History-Databank/cliopatria/tree/v0.2.1","license":"CC BY 4.0","credit":"Cliopatria contributors / Seshat Global History Databank","sha256":"fc6f0d1e4cc42f45da83522b3696db6f2cc85ec0d12259a85c89b31347b8fc0a"},"BASIN":{"title":"Basin of Mexico, c.1519 — published lake and causeway map","url":"https://commons.wikimedia.org/wiki/File:Basin_of_Mexico_1519_map-en.svg","license":"CC BY-SA 4.0","credit":"Yavidaxiu, Historicair, Sémhur and named Commons contributors","sha256":"da0abaf9cc81e204d4aa2473fa3094998514dd335f2e68a68409366f88f4d29c","changes":"Registered source paths and island holes. 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No modern US–Canada sovereign border is drawn.","review":{"geometryValid":true}},"GES":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"GES","sourceIds":["EAST_FARMS","GEONAMES","KUJATAA","NE"],"method":"reconstruction","referenceDate":"Norse settlement distribution, c.985–1450","notes":"The published farm-symbol envelope is intersected with the coastline. Its eastern margin of 8 km and western margin of 4 km include features for cartographic purposes; they do not mark cultivated fields, ownership, or medieval political rule. Full fit/control records are published, and coastal mismatches remain those of the reference datasets.","review":{"geometryValid":true}},"GWS":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"GWS","sourceIds":["WEST_FARMS","ANAVIK","SANDNES","NE"],"method":"reconstruction","referenceDate":"Norse settlement distribution, c.985–1450","notes":"The published farm-symbol envelope is intersected with the coastline. 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Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"ACO":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"ACO","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"SOCONUSCO":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"SOCONUSCO","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"TPN":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"TPN","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"XOC":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"XOC","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"TLX":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"TLX","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed. The source provides the combined independent exterior, and the internal north/south teaching split is documented.","review":{"geometryValid":true}},"HUE":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"HUE","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed. The source provides the combined independent exterior, and the internal north/south teaching split is documented.","review":{"geometryValid":true}},"TEOTITLAN":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"TEOTITLAN","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"MTZ":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"MTZ","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed. The source’s open indentation is closed at a documented review window; only the edges facing the frontier come directly from the source.","review":{"geometryValid":true}},"YOP":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"YOP","sourceIds":["PROVINCES","BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed. The source’s open indentation is closed at a documented review window; only the edges facing the frontier come directly from the source.","review":{"geometryValid":true}},"TNO":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"TNO","sourceIds":["CITY","GEONAMES","CITY_SITE"],"method":"trace","referenceDate":"Conquest-era city reference; Prem plan published 2008","notes":"The detailed Prem plan supplies the observed city shoreline and the depicted separator between northern and southern sectors. Local affine registration uses two temple symbols, Tacuba and a geographic Chapultepec hill reference. The full city covers 14.55 square kilometres, without an area adjustment. Earlier chapters reuse this later city reference; it is not a survey of the island’s earlier size.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"TLT":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"TLT","sourceIds":["CITY","GEONAMES","CITY_SITE"],"method":"trace","referenceDate":"Conquest-era city reference; Prem plan published 2008","notes":"The detailed Prem plan supplies the observed city shoreline and the depicted separator between northern and southern sectors. Local affine registration uses two temple symbols, Tacuba and a geographic Chapultepec hill reference. The full city covers 14.55 square kilometres, without an area adjustment. Earlier chapters reuse this later city reference; it is not a survey of the island’s earlier size.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"LXZ":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"LXZ","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"LXC":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"LXC","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"LMX":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"LMX","sourceIds":["BASIN","GEONAMES","CITY"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed. The two rejected small city holes are refilled before the Prem city outline is subtracted. The outer lake shores and other islands retain the published basin geometry.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"LTX":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"LTX","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"Linework from a registered 1519 source is grouped into the atlas’s named teaching regions. Earlier states use this later geographic reference; it is not evidence that the administrative boundaries of 1519 already existed.","review":{"geometryValid":true}},"CHM":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"CHM","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"These are mapped lake islets in the named agricultural district. They locate chinampa agriculture geographically, rather than surveying the area of all cultivated raised fields.","review":{"geometryValid":true}},"CHS":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"CHS","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"These are mapped lake islets in the named agricultural district. They locate chinampa agriculture geographically, rather than surveying the area of all cultivated raised fields.","review":{"geometryValid":true}},"CHE":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"CHE","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 published reconstruction","notes":"These are mapped lake islets in the named agricultural district. They locate chinampa agriculture geographically, rather than surveying the area of all cultivated raised fields.","review":{"geometryValid":true}},"TAR":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"TAR","sourceIds":["CLIO"],"method":"vector","referenceDate":"1497–1520","notes":"The Tarascan extent for 1497–1520 is explicitly reused as a later-source reference for earlier teaching states. The earlier downloaded 1305 record was rejected because it misses Tzintzuntzan.","review":{"geometryValid":true},"sourceRecord":{"index":7656,"Name":"Michoacán","FromYear":1497,"ToYear":1520,"Area":73732.30118450362,"Type":"POLITY","Wikipedia":"Michoacán","Wikidata":"Q79861","SeshatID":"","Components":"","MemberOf":""}},"TUT":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"TUT","sourceIds":["ADMIN1","TUTUTEPEC","PROVINCES"],"method":"proxy","referenceDate":"Lower Río Verde / coastal Oaxaca geographic reference","notes":"This is the closest published administrative and coastal reference for independent Tututepec. The source describes a coastal realm but provides no downloadable surveyed perimeter; the modern district clipping is not claimed as the exact extent of its empire.","review":{"geometryValid":true}},"STA":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"STA","sourceIds":["PROVINCES","GEONAMES"],"method":"reconstruction","referenceDate":"c.1519 named strategic locality","notes":"Oztoman is located as a frontier garrison by a 12 km cartographic vicinity, not a measured garrison estate.","review":{"geometryValid":true,"role":"cartographic-device"}},"STT":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"STT","sourceIds":["PROVINCES","GEONAMES"],"method":"reconstruction","referenceDate":"c.1519 named strategic locality","notes":"Tehuantepec is located as a strategic region by a 12 km cartographic vicinity, not a measured garrison estate.","review":{"geometryValid":true,"role":"cartographic-device"}},"MEX":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"MEX","sourceIds":["NE"],"method":"proxy","referenceDate":"Published geographic reference; not a medieval administrative survey","notes":"The remaining Mexican geographic background, after the documented historical and teaching references have been removed.","review":{"geometryValid":true}},"f-dike":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-dike","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 source map / named waterwork route","notes":"Published source linework connects the springs and causeways named by the source. These aqueduct routes are reconstructions, not excavated centerline surveys.","review":{"geometryValid":true}},"f-tepeyac":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-tepeyac","sourceIds":["CITY","GEONAMES"],"method":"trace","referenceDate":"Conquest-era named route; Prem plan published 2008","notes":"A yellow historical causeway or marked water route digitized from the detailed Prem city plan and locally registered with the city shoreline. Modern blue road context is excluded. The published route is a reconstruction, not an excavated centreline survey.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"f-iztapalapa":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-iztapalapa","sourceIds":["CITY","GEONAMES"],"method":"trace","referenceDate":"Conquest-era named route; Prem plan published 2008","notes":"A yellow historical causeway or marked water route digitized from the detailed Prem city plan and locally registered with the city shoreline. Modern blue road context is excluded. The published route is a reconstruction, not an excavated centreline survey.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"f-tlacopan":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-tlacopan","sourceIds":["CITY","GEONAMES"],"method":"trace","referenceDate":"Conquest-era named route; Prem plan published 2008","notes":"A yellow historical causeway or marked water route digitized from the detailed Prem city plan and locally registered with the city shoreline. Modern blue road context is excluded. The published route is a reconstruction, not an excavated centreline survey.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"f-coyoacan":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-coyoacan","sourceIds":["CITY","GEONAMES"],"method":"trace","referenceDate":"Conquest-era named route; Prem plan published 2008","notes":"A yellow historical causeway or marked water route digitized from the detailed Prem city plan and locally registered with the city shoreline. Modern blue road context is excluded. The published route is a reconstruction, not an excavated centreline survey.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"f-tlahuac":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-tlahuac","sourceIds":["BASIN","GEONAMES"],"method":"trace","referenceDate":"c.1519 source map / named waterwork route","notes":"Published source linework connects the springs and causeways named by the source. These aqueduct routes are reconstructions, not excavated centerline surveys.","review":{"geometryValid":true}},"f-aq-chapultepec":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-aq-chapultepec","sourceIds":["CITY","GEONAMES","AZTEC_WATER"],"method":"trace","referenceDate":"Conquest-era named route; Prem plan published 2008","notes":"A yellow historical causeway or marked water route digitized from the detailed Prem city plan and locally registered with the city shoreline. Modern blue road context is excluded. The published route is a reconstruction, not an excavated centreline survey.","review":{"geometryValid":true,"registrationFile":"sources/geometry/city-plan-review.json"}},"f-aq-acuecuexco":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"f-aq-acuecuexco","sourceIds":["BASIN","GEONAMES","AZTEC_WATER"],"method":"reconstruction","referenceDate":"c.1519 source map / named waterwork route","notes":"Published source linework connects the springs and causeways named by the source. These aqueduct routes are reconstructions, not excavated centerline surveys.","review":{"geometryValid":true}},"z-q-cuepopan":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"z-q-cuepopan","sourceIds":["CITY"],"method":"reconstruction","referenceDate":"Four named quarters; conquest-era city reference","notes":"Teaching quadrants meet near the Templo Mayor on the detailed Prem city outline. Their internal lines are schematic axes, not surveyed calpulli boundaries.","review":{"geometryValid":true,"role":"cartographic-device"}},"z-q-atzacoalco":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"z-q-atzacoalco","sourceIds":["CITY"],"method":"reconstruction","referenceDate":"Four named quarters; conquest-era city reference","notes":"Teaching quadrants meet near the Templo Mayor on the detailed Prem city outline. Their internal lines are schematic axes, not surveyed calpulli boundaries.","review":{"geometryValid":true,"role":"cartographic-device"}},"z-q-teopan":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"z-q-teopan","sourceIds":["CITY"],"method":"reconstruction","referenceDate":"Four named quarters; conquest-era city reference","notes":"Teaching quadrants meet near the Templo Mayor on the detailed Prem city outline. Their internal lines are schematic axes, not surveyed calpulli boundaries.","review":{"geometryValid":true,"role":"cartographic-device"}},"z-q-moyotlan":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"z-q-moyotlan","sourceIds":["CITY"],"method":"reconstruction","referenceDate":"Four named quarters; conquest-era city reference","notes":"Teaching quadrants meet near the Templo Mayor on the detailed Prem city outline. Their internal lines are schematic axes, not surveyed calpulli boundaries.","review":{"geometryValid":true,"role":"cartographic-device"}},"z-flood1499":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"z-flood1499","sourceIds":["CITY","AZTEC_WATER"],"method":"reconstruction","referenceDate":"1499 flood; conquest-era city reference","notes":"The detailed Prem city outline locates the affected city. It does not claim that flooding reached every point or reproduce a measured inundation perimeter.","review":{"geometryValid":true,"role":"cartographic-device"}},"z-siege":{"geometryFile":"sources/geometry/climate-geography.geojson","featureId":"z-siege","sourceIds":["CITY"],"method":"reconstruction","referenceDate":"1521 siege target","notes":"The detailed published city perimeter identifies the city under siege. It is a cartographic outline, not the exact position of every besieging force.","review":{"geometryValid":true,"role":"cartographic-device"}}},"snapshots":{"n0790":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"neutral"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"neutral"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"neutral"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"neutral"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"neutral"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"neutral","statusLabel":"Neutral"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"neutral","statusLabel":"Neutral"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"neutral","statusLabel":"Neutral"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-ice-mca":{"geometry":"ice-mca","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. The erroneous Cliopatria eastern Greenland placement was rejected."]},"n0866":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"neutral"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"norse"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"norseRule"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"norseRule"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"norseRule"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"neutral","statusLabel":"Neutral"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"neutral","statusLabel":"Neutral"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"neutral","statusLabel":"Neutral"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-york":{"geometry":"york","clip":null,"areaRole":"thematic"},"z-dublin":{"geometry":"dublin","clip":null,"areaRole":"thematic"},"z-ice-mca":{"geometry":"ice-mca","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. 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The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. The erroneous Cliopatria eastern Greenland placement was rejected."]},"n0930":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"norse"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"norse"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"norseRule"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"norseRule"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"norseRule"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"neutral","statusLabel":"Neutral"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"neutral","statusLabel":"Neutral"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"neutral","statusLabel":"Neutral"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-dublin":{"geometry":"dublin","clip":null,"areaRole":"thematic"},"z-normandy":{"geometry":"normandy-middle","clip":null,"areaRole":"thematic"},"z-ice-mca":{"geometry":"ice-mca","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. The erroneous Cliopatria eastern Greenland placement was rejected."]},"n0986":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"norse"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"norse"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"norseRule"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"norseRule"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"norseRule"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"neutral","statusLabel":"Neutral"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"norse","statusLabel":"Norse settlement / hunting reference"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"norse","statusLabel":"Norse settlement / hunting reference"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-dublin":{"geometry":"dublin","clip":null,"areaRole":"thematic"},"z-normandy":{"geometry":"normandy-middle","clip":null,"areaRole":"thematic"},"z-ice-mca":{"geometry":"ice-mca","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. 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The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. 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The erroneous Cliopatria eastern Greenland placement was rejected."]},"n1360":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"norse"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"norse"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"neutral"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"norseRule"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"neutral"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"norse","statusLabel":"Norse settlement / hunting reference"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"abandoned","statusLabel":"Abandoned"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-lam-ab":{"geometry":"lam","clip":null,"areaRole":"thematic"},"z-markland":{"geometry":"markland","clip":null,"areaRole":"thematic"},"z-thule1300":{"geometry":"thule1300","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-thule1360":{"geometry":"thule1360","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-ice-lia2":{"geometry":"ice-lia2","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"},"z-ice-iceland":{"geometry":"ice-iceland","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. The erroneous Cliopatria eastern Greenland placement was rejected."]},"n1408":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"norse"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"norse"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"neutral"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"norseRule"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"neutral"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"norse","statusLabel":"Norse settlement / hunting reference"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"native","statusLabel":"Indigenous regional reference"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-lam-ab":{"geometry":"lam","clip":null,"areaRole":"thematic"},"z-thule1300":{"geometry":"thule1300","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-thule1360":{"geometry":"thule1360","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-ice-lia2":{"geometry":"ice-lia2","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"},"z-ice-iceland":{"geometry":"ice-iceland","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. The erroneous Cliopatria eastern Greenland placement was rejected."]},"n1450":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"norse"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"norse"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"neutral"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"norseRule"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"neutral"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"abandoned","statusLabel":"Abandoned"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"native","statusLabel":"Indigenous regional reference"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-lam-ab":{"geometry":"lam","clip":null,"areaRole":"thematic"},"z-thule1300":{"geometry":"thule1300","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-thule1360":{"geometry":"thule1360","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-thule1450":{"geometry":"thule1450","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-ice-lia2":{"geometry":"ice-lia2","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"},"z-ice-iceland":{"geometry":"ice-iceland","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. The erroneous Cliopatria eastern Greenland placement was rejected."]},"n1500":{"theater":"north","baseMode":"historical","suppressLegacyUnderlay":true,"features":[{"id":"LAND","geometry":"LAND","name":"Physical coastline reference","status":"neutral"},{"id":"CONTINENT","geometry":"CONTINENT","name":"Continental geographic background","status":"neutral","semanticIds":["FRA","DEU","RUS"]},{"id":"NOR","geometry":"NOR","name":"Nor","status":"norse"},{"id":"SWE","geometry":"SWE","name":"Swe","status":"norse"},{"id":"DNK","geometry":"DNK","name":"Dnk","status":"norse"},{"id":"ALD","geometry":"ALD","name":"Ald","status":"norse"},{"id":"ISL","geometry":"ISL","name":"Isl","status":"norse"},{"id":"FRO","geometry":"FRO","name":"Fro","status":"norse"},{"id":"IMN","geometry":"IMN","name":"Imn","status":"neutral"},{"id":"SVB","geometry":"SVB","name":"Svb","status":"neutral"},{"id":"ENG","geometry":"ENG","name":"England & Wales","status":"neutral"},{"id":"SCO","geometry":"SCO","name":"Scotland","status":"neutral"},{"id":"NIS","geometry":"NIS","name":"Orkney & Shetland — the Northern Isles","status":"neutral"},{"id":"HEB","geometry":"HEB","name":"The Hebrides — the Kingdom of the Isles","status":"neutral"},{"id":"IRL","geometry":"IRL","name":"Ireland","status":"neutral"},{"id":"CAN","geometry":"CAN","name":"Northern North America","status":"native","semanticIds":["CAN","USA"]},{"id":"NFL","geometry":"NFL","name":"Newfoundland","status":"native"},{"id":"LAB","geometry":"LAB","name":"Labrador — “Markland”","status":"native"},{"id":"BAF","geometry":"BAF","name":"Baffin Island — “Helluland”","status":"native"},{"id":"GRL","geometry":"GRL","name":"Greenland — the ice sheet and outer coasts","status":"neutral"},{"id":"GNW","geometry":"GNW","name":"Avanersuaq — the far northwest","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GNS","geometry":"GNS","name":"Norðrseta — Disko Bay and the northern hunting grounds","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GES","geometry":"GES","name":"The Eastern Settlement (Eystribyggð)","status":"native","statusLabel":"Indigenous regional reference"},{"id":"GWS","geometry":"GWS","name":"The Western Settlement (Vestribyggð)","status":"native","statusLabel":"Indigenous regional reference"}],"zones":{"z-sapmi":{"geometry":"sapmi","clip":null,"areaRole":"thematic"},"z-lam-ab":{"geometry":"lam","clip":null,"areaRole":"thematic"},"z-thule1300":{"geometry":"thule1300","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-thule1360":{"geometry":"thule1360","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-thule1450":{"geometry":"thule1450","clip":null,"areaRole":"thematic","statusLabel":"Thule coastal distribution"},"z-ice-lia2":{"geometry":"ice-lia2","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"},"z-ice-iceland":{"geometry":"ice-iceland","clip":null,"areaRole":"thematic","statusLabel":"Source-described ice exposure"}},"fronts":{},"sourceIds":["NE","EAST_FARMS","WEST_FARMS"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","This map concerns settlement, voyages and the environment. Its geographic study regions are not all medieval state borders. Modern continental borders are dissolved, while the dated Danelaw and Normandy sources retain their historical meaning.","Greenland settlement references come from published farm distributions. The ice bands, coastal migration bands and voyage ranges are explanatory regions rather than measured medieval boundaries. The erroneous Cliopatria eastern Greenland placement was rejected."]},"m1150":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"neutral"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"neutral"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"neutral"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"neutral"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"neutral"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"neutral"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"neutral"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"neutral"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"neutral"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"neutral"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"neutral"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"neutral"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"salt","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1150":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"neutral"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"neutral"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"neutral"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"neutral"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"neutral"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"neutral"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"neutral"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"neutral"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"neutral"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"neutral"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"neutral"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"neutral"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"salt","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1325":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"neutral"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"neutral"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"neutral"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"neutral"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"neutral"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"tepanec"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"neutral"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"neutral"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"neutral"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"neutral"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"tepanec"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"neutral"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"salt","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1325":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"neutral"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"neutral"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"neutral"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"neutral"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"neutral"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"tepanec"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"neutral"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"neutral"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"neutral"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"neutral"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"tepanec"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"neutral"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"salt","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1428":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"neutral"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"neutral"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"neutral"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"independent"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"neutral"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"salt","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1428":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"neutral"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"neutral"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"neutral"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"independent"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"neutral"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"salt","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1449":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"independent"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1449":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"neutral"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"neutral"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"independent"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"fresh","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"fresh","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1469":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tlahuac":{"geometry":"f-tlahuac"},"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1469":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"tributary"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"neutral"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"tributary"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"tributary"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"tributary"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1481":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tlahuac":{"geometry":"f-tlahuac"},"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1481":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"tributary"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"tributary"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"tributary"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"tributary"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"neutral"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"neutral","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1499":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{"z-flood1499":{"geometry":"z-flood1499","clip":null,"areaRole":"thematic"}},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tlahuac":{"geometry":"f-tlahuac"},"f-aq-acuecuexco":{"geometry":"f-aq-acuecuexco"},"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1499":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"tributary"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"tributary"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"tributary"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"tributary"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"tributary"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"tributary"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"tributary"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"strategic","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1515":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tlahuac":{"geometry":"f-tlahuac"},"f-aq-acuecuexco":{"geometry":"f-aq-acuecuexco"},"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1515":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"tributary"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"tributary"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"tributary"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"tributary"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"tributary"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"tributary"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"tributary"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"tributary"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"strategic","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1519":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{"z-q-cuepopan":{"geometry":"z-q-cuepopan","clip":null,"areaRole":"thematic"},"z-q-atzacoalco":{"geometry":"z-q-atzacoalco","clip":null,"areaRole":"thematic"},"z-q-teopan":{"geometry":"z-q-teopan","clip":null,"areaRole":"thematic"},"z-q-moyotlan":{"geometry":"z-q-moyotlan","clip":null,"areaRole":"thematic"}},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tlahuac":{"geometry":"f-tlahuac"},"f-aq-acuecuexco":{"geometry":"f-aq-acuecuexco"},"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1519":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"tributary"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"independent"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"tributary"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"tributary"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"tributary"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"tributary"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"tributary"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"tributary"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"tributary"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"strategic","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1520":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"independent"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{"z-q-cuepopan":{"geometry":"z-q-cuepopan","clip":null,"areaRole":"thematic"},"z-q-atzacoalco":{"geometry":"z-q-atzacoalco","clip":null,"areaRole":"thematic"},"z-q-teopan":{"geometry":"z-q-teopan","clip":null,"areaRole":"thematic"},"z-q-moyotlan":{"geometry":"z-q-moyotlan","clip":null,"areaRole":"thematic"}},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tlahuac":{"geometry":"f-tlahuac"},"f-aq-acuecuexco":{"geometry":"f-aq-acuecuexco"},"f-tepeyac":{"geometry":"f-tepeyac"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-aq-chapultepec":{"geometry":"f-aq-chapultepec"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1520":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"tributary"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"independent"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"tributary"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"tributary"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"tributary"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"tributary"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"tributary"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"tributary"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"independent"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"tributary"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"tributary"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"core"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"tributary"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"strategic","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"m1521":{"theater":"basin","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"neutral"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"neutral"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"neutral"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"neutral"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"neutral"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"neutral"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"neutral"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"neutral"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"independent"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"independent"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"independent"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"independent"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"independent"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"neutral"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"neutral"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"neutral"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"neutral"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"neutral","areaRole":"thematic"}],"zones":{"z-siege":{"geometry":"z-siege","clip":null,"areaRole":"thematic"}},"fronts":{"f-dike":{"geometry":"f-dike"},"f-tlahuac":{"geometry":"f-tlahuac"},"f-iztapalapa":{"geometry":"f-iztapalapa"},"f-coyoacan":{"geometry":"f-coyoacan"},"f-tlacopan":{"geometry":"f-tlacopan"},"f-tepeyac":{"geometry":"f-tepeyac"}},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]},"e1521":{"theater":"empire","baseMode":"historical","suppressLegacyUnderlay":false,"features":[{"id":"MEX","geometry":"MEX","name":"Mexico — beyond the empire","status":"neutral"},{"id":"TQH","geometry":"TQH","name":"The Huasteca (Tochpan, Tzicoac, Atlan, Oxitipan)","status":"tributary"},{"id":"TQE","geometry":"TQE","name":"Totonacapan (Cempoala and the northern Gulf coast)","status":"independent"},{"id":"TQN","geometry":"TQN","name":"Xilotepec, Hueypochtlan and the Otomí north","status":"tributary"},{"id":"XAL","geometry":"XAL","name":"Xaltocan, Cuauhtitlan and the northern basin","status":"tributary"},{"id":"TQT","geometry":"TQT","name":"The Toluca valley (Matlatzinco)","status":"tributary"},{"id":"TQG","geometry":"TQG","name":"Tlachco, Tepequacuilco and the Guerrero highlands","status":"tributary"},{"id":"TQC","geometry":"TQC","name":"Cihuatlan and the Pacific coast","status":"tributary"},{"id":"TQW","geometry":"TQW","name":"Tlachquiauhco and the western Mixteca","status":"tributary"},{"id":"TQX","geometry":"TQX","name":"Coixtlahuaca and the northern Mixteca","status":"tributary"},{"id":"TQV","geometry":"TQV","name":"Coyolapan and the Valley of Oaxaca","status":"tributary"},{"id":"TQS","geometry":"TQS","name":"Tochtepec (the Papaloapan lowlands)","status":"tributary"},{"id":"TQK","geometry":"TQK","name":"Cuetlaxtlan (the central Gulf coast)","status":"tributary"},{"id":"TQP","geometry":"TQP","name":"Tepeacac","status":"independent"},{"id":"TQM","geometry":"TQM","name":"Cuauhnahuac and Huaxtepec (Morelos)","status":"independent"},{"id":"CHL","geometry":"CHL","name":"Chalco","status":"independent"},{"id":"ACO","geometry":"ACO","name":"Acolhuacan (Texcoco)","status":"independent"},{"id":"SOCONUSCO","geometry":"SOCONUSCO","name":"Soconusco","status":"tributary"},{"id":"TPN","geometry":"TPN","name":"The Tepanec lands (Azcapotzalco, Tlacopan, Coyoacán)","status":"core"},{"id":"XOC","geometry":"XOC","name":"Xochimilco and the southern lake towns","status":"independent"},{"id":"TLX","geometry":"TLX","name":"Tlaxcala","status":"independent"},{"id":"HUE","geometry":"HUE","name":"Huexotzinco, Cholula and Atlixco","status":"independent"},{"id":"TEOTITLAN","geometry":"TEOTITLAN","name":"Teotitlan","status":"independent"},{"id":"MTZ","geometry":"MTZ","name":"Metztitlan","status":"independent"},{"id":"YOP","geometry":"YOP","name":"Yopitzinco","status":"independent"},{"id":"TNO","geometry":"TNO","name":"Tenochtitlan","status":"core"},{"id":"TLT","geometry":"TLT","name":"Tlatelolco","status":"core"},{"id":"LXZ","geometry":"LXZ","name":"Lakes Xaltocan and Zumpango","status":"salt","areaRole":"thematic"},{"id":"LXC","geometry":"LXC","name":"Lakes Xochimilco and Chalco","status":"fresh","areaRole":"thematic"},{"id":"LMX","geometry":"LMX","name":"The Lake of Mexico (western lagoon)","status":"fresh","areaRole":"thematic"},{"id":"LTX","geometry":"LTX","name":"Lake Texcoco (eastern, saline)","status":"salt","areaRole":"thematic"},{"id":"CHM","geometry":"CHM","name":"Chinampas of the lagoon (Iztacalco and Mexicaltzingo)","status":"chinampa","areaRole":"thematic"},{"id":"CHS","geometry":"CHS","name":"Chinampas of Xochimilco, Cuitlahuac and Mixquic","status":"chinampa","areaRole":"thematic"},{"id":"CHE","geometry":"CHE","name":"Chinampas of Lake Chalco","status":"chinampa","areaRole":"thematic"},{"id":"TAR","geometry":"TAR","name":"The Tarascan state","status":"independent"},{"id":"TUT","geometry":"TUT","name":"Tututepec","status":"independent"},{"id":"STA","geometry":"STA","name":"The Tarascan frontier (Oztuma, Teloloapan, Alahuiztlan)","status":"strategic","areaRole":"thematic"},{"id":"STT","geometry":"STT","name":"Tehuantepec","status":"strategic","areaRole":"thematic"}],"zones":{},"fronts":{},"sourceIds":["NE","BASIN","PROVINCES","CITY"],"notes":["These maps are reconstructed from published sources. The layer record provides the source geometry, registration controls, reference dates and derivatives.","Lake shores and tribute-region edges are registered from two published 1519 maps. The detailed Prem city plan supplies the central island and its five connecting routes. Where a better downloadable map was unavailable, earlier chapters deliberately reuse these later-source geographic references.","The lake-map control RMS is 2.67 km, and the regional province-map control RMS is 14.79 km. The separate local city fit has a 61 m control RMS and a 330 m leave-one-out RMS. These figures diagnose the control fits; they do not prove the exact position of ancient shorelines. Region grouping, strategic-site margins and independent-state substitutions are documented.","Chinampa layers identify islets mapped by the source in the named agricultural districts. Their filled areas are not a cadastral inventory of every field."]}},"chapters":{"ch1":{"snapshot":"n1250","sourceIds":[],"notes":["Chapter date: 1250. The actual source/reference date is recorded separately for each layer."]},"ch2":{"snapshot":"n0866","sourceIds":[],"notes":["Chapter date: 866.85. The actual source/reference date is recorded separately for each layer."]},"ch3":{"snapshot":"n0930","sourceIds":[],"notes":["Chapter date: 930. The actual source/reference date is recorded separately for each layer."]},"ch4":{"snapshot":"n1021","sourceIds":[],"notes":["Chapter date: 1021. The actual source/reference date is recorded separately for each layer."]},"ch5":{"snapshot":"n1408","sourceIds":[],"notes":["Chapter date: 1408.7. The actual source/reference date is recorded separately for each layer."]},"ch6":{"snapshot":"n1450","sourceIds":[],"notes":["Chapter date: 1450. The actual source/reference date is recorded separately for each layer."]},"ch7":{"snapshot":"m1428","sourceIds":[],"notes":["Chapter date: 1428.4. The actual source/reference date is recorded separately for each layer."]},"ch8":{"snapshot":"m1499","sourceIds":[],"notes":["Chapter date: 1499.5. The actual source/reference date is recorded separately for each layer."]},"ch9":{"snapshot":"m1515","sourceIds":[],"notes":["Chapter date: 1515. The actual source/reference date is recorded separately for each layer."]},"ch10":{"snapshot":"m1519","sourceIds":[],"notes":["Chapter date: 1519.85. The actual source/reference date is recorded separately for each layer."]},"ch11":{"snapshot":"e1521","sourceIds":[],"notes":["Chapter date: 1521.5. The actual source/reference date is recorded separately for each layer."]},"ch12":{"snapshot":"n1500","sourceIds":[],"notes":["Chapter date: 1500. The actual source/reference date is recorded separately for each layer."]}},"quizRegions":{"15":{"theater":"empire","geometry":"TLX","sourceIds":["PROVINCES"]}},"assetProvenance":{"arrows":{"a-egc":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-14.0,78.5],[-15.5,73.0],[-24.0,68.0],[-33.5,64.9],[-40.0,61.3],[-44.0,59.2]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-searoad":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[5.0,61.0],[-7.0,60.9],[-15.0,62.8],[-25.0,62.9],[-38.0,59.9],[-43.8,59.2],[-46.3,60.6]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-lindisfarne":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[5.2,60.6],[2.0,58.8],[-0.8,56.8],[-1.75,55.75]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-westoversea":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[4.8,60.6],[-0.4,59.75],[-4.2,59.25],[-7.6,58.4],[-7.9,57.0],[-7.2,55.9],[-5.9,55.2],[-5.2,54.0],[-6.1,53.35]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-greatarmy":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[9.0,55.4],[4.5,53.6],[1.4,52.6],[-0.5,53.3],[-1.05,53.9]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-ohthere":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[17.8,69.5],[14.8,69.5],[11.5,67.6],[8.5,64.6],[4.6,62.0],[4.3,59.8],[6.5,57.7],[9.6,58.7]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-silver":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[29.5,60.0],[26.0,59.95],[23.0,59.55],[20.2,58.3],[17.8,55.6],[15.6,54.85],[13.4,54.85],[11.7,54.35],[10.4,54.6],[9.6,54.5]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-landnam-norway":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[5.0,61.5],[-1.5,62.4],[-6.8,62.7],[-12.0,63.5],[-16.6,63.82]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-landnam-gael":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-6.9,57.4],[-9.5,60.0],[-15.5,62.4],[-20.5,63.2],[-23.1,63.75],[-22.9,64.25],[-21.95,64.15]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-erik":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-24.0,65.0],[-31.0,64.0],[-38.5,61.3],[-43.5,59.35],[-46.6,60.25],[-45.6,61.1]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-leif":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-46.9,60.3],[-49.2,60.75],[-51.8,62.3],[-58.0,63.3],[-63.8,61.6],[-61.0,57.8],[-56.3,54.4],[-55.0,52.3],[-55.5,51.62]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-ivory":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-55.0,68.6],[-54.7,66.0],[-52.0,63.0],[-48.3,60.2],[-43.6,59.25],[-33.0,60.6],[-16.0,62.5],[-5.5,60.9],[4.6,60.5]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-thule":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-73.0,78.3],[-73.8,76.8],[-67.5,75.5],[-60.5,74.6],[-57.8,72.4],[-55.6,69.6],[-54.5,66.4],[-51.0,62.7]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-newroute":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-22.5,63.7],[-28.0,61.6],[-37.0,58.9],[-43.5,58.6],[-46.5,60.3]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-stockfish":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[14.4,68.1],[13.0,67.5],[10.4,65.3],[6.0,63.3],[4.4,62.3],[4.3,61.2],[4.4,60.3],[2.2,56.5],[0.7,53.0]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-hanse":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[4.7,60.3],[4.9,58.6],[7.6,57.6],[10.9,58.0],[11.8,56.9],[12.7,55.95],[12.75,55.3],[12.6,54.8],[12.2,54.5],[11.3,54.25],[10.85,54.0]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-ivory2":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-46.6,60.4],[-43.6,59.3],[-34.0,60.0],[-16.0,61.0],[-5.5,60.9],[4.6,60.4]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-cabot":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-2.7,51.4],[-5.5,51.25],[-10.6,51.1],[-28.0,52.2],[-46.0,50.6],[-52.9,48.8]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-thule2":{"sourceIds":["VINLAND","NORDRSETA"],"method":"reconstruction","coordinates":[[-49.9,61.8],[-47.6,60.2],[-44.0,59.4],[-42.3,60.4],[-40.6,63.0],[-38.5,64.9]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-migration":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.16,19.78],[-99.2,19.7],[-99.23,19.62],[-99.195,19.48],[-99.183,19.425],[-99.14,19.433]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-tepanecwar-tx":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-98.882,19.512],[-98.98,19.575],[-99.11,19.532],[-99.18,19.488]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-tepanecwar-mx":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.138,19.44],[-99.16,19.462],[-99.182,19.481]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-water-chap":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.184,19.416],[-99.172,19.42],[-99.16,19.426],[-99.15,19.43]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-water-acue":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.166,19.344],[-99.15,19.362],[-99.139,19.38],[-99.134,19.405]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-famine":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.12,19.44],[-98.98,19.52],[-98.86,19.56],[-98.74,19.59]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-gulf-b":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-98.06,19.12],[-98.4,19.3],[-98.7,19.42],[-98.92,19.47]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-morelos":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.23,18.92],[-99.17,19.05],[-99.12,19.17],[-99.11,19.27]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-north":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.53,19.97],[-99.38,19.85],[-99.24,19.7],[-99.15,19.53]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-toluca":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.62,19.42],[-99.48,19.44],[-99.32,19.46],[-99.19,19.46]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-canoes":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.104,19.262],[-99.112,19.3],[-99.12,19.345],[-99.128,19.38],[-99.131,19.405]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-canoes-l":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.104,19.262],[-99.112,19.3],[-99.12,19.345],[-99.128,19.38],[-99.131,19.405]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-entry":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.09,19.3605],[-99.112,19.3675],[-99.1285,19.3745],[-99.1372,19.392],[-99.1365,19.41]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-gulf":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-96.45,18.85],[-97.2,19.0],[-97.9,19.2],[-98.55,19.4],[-98.95,19.45]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-toch":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-96.15,18.1],[-96.9,18.3],[-97.6,18.55],[-98.4,18.95],[-98.95,19.3]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-oaxaca":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-96.72,17.06],[-97.3,17.75],[-98.1,18.4],[-98.75,18.95],[-99.0,19.25]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-trib-huasteca":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-97.4,20.95],[-98.1,20.6],[-98.65,20.1],[-98.95,19.62]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-cortes19":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-96.4,19.45],[-96.92,19.53],[-97.7,19.4],[-98.24,19.32],[-98.3,19.07],[-98.7,19.1],[-99.09,19.36]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-nochetriste":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-99.15,19.438],[-99.188,19.46],[-99.15,19.62],[-98.9,19.66],[-98.755,19.7],[-98.24,19.32]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-smallpox":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-96.4,19.56],[-97.3,19.53],[-98.2,19.45],[-98.75,19.52],[-99.13,19.45]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."},"a-allies1521":{"sourceIds":["PROVINCES","BASIN"],"method":"reconstruction","coordinates":[[-98.237,19.318],[-98.45,19.45],[-98.7,19.53],[-98.88,19.51]],"notes":"A schematic route between endpoints named in the chapter evidence. Its curves explain the route; they are not surveyed tracks."}},"markers":{"m-summit":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-38.46,72.58],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-crete":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-37.32,71.12],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-lakes":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-45.42,60.7],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-manuscripts":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-22.92,65.37],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-lindisfarne":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-1.8,55.67],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-oseberg":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[10.43,59.29],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-kaupang":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[10.04,59.02],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-hedeby":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[9.57,54.49],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-dublin":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-6.26,53.35],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-york":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-1.08,53.96],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-ohthere":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[18.0,69.2],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-reykjavik":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-21.82,64.17],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-thingvellir":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-21.12,64.26],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-stong":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-19.84,64.1],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-hofstadir":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-17.17,65.61],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-brattahlid":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-45.51,61.15],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-sandnes":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-50.22,64.05],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-nordrseta":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-53.5,69.0],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-lam":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-55.53,51.6],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-herjolfsnes":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-44.65,60.1],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-hvalsey":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-45.78,60.82],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-gus":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-49.95,64.15],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-kingittorsuaq":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-56.15,72.95],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-ruinisland":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-71.5,78.55],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-bergen":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[5.32,60.4],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-lofoten":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[14.48,68.21],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-nidaros":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[10.4,63.43],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-lewis":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-7.05,58.19],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-roskilde":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[12.08,55.64],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-gardar":{"sourceIds":["GEONAMES","KUJATAA","VINLAND"],"method":"proxy","coordinates":[-45.43,60.99],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-templo":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.1313,19.4346],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-tlatelolco":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.1365,19.451],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-azcapotzalco":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.186,19.484],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-chapultepec":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.183,19.421],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-culhuacan":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.11,19.333],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-texcoco":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.883,19.514],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-dike":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.0775,19.43],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-acuecuexco":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.165,19.344],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-texcotzingo":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.814,19.494],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-granaries":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.129,19.428],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-xochimilco":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.105,19.26],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-chalco":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.896,19.263],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-huaxtepec":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.97,18.81],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-cuauhnahuac":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.234,18.922],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-tochtepec":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-96.12,18.09],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-meeting":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.1335,19.413],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-iztapalapa":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.089,19.357],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-tlaxcala":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.237,19.318],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-cholula":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.303,19.063],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-toxcatl":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.1345,19.436],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-nochetriste":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.168,19.444],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-otumba":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.755,19.7],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-brigantines":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-98.925,19.505],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-laststand":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.127,19.457],"notes":"A named lesson location, not the footprint of an event. Preserved point references may differ from georegistered source symbols within the recorded map-fit residuals."},"m-siege":{"sourceIds":["GEONAMES","BASIN","PROVINCES"],"method":"proxy","coordinates":[-99.133,19.44],"notes":"A named lesson location, not the footprint of an event. 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