The American Civil War, 1840–1877 · THE MAP IN JUL 1861

Map of North America in July 1861

Bull Run — the lines form · Civil War

North America in July 1861: Bull Run — the lines form. The map shows who held what: The Union.

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Map of North America in July 1861 (Civil War): Bull Run — the lines form. Colours show The Union. — JUL 1861 · THE AMERICAN CIVIL WAR, 1840–1877

These maps are reconstructed from published sources · US Military Academy: Principal Campaigns of the War · US Military Academy: Situation 18 and 24 July 1861 · US Military Academy: Grant’s Plan for the 1864 Campaign · US Military Academy: Principal Federal Movements, November 1864 – April 1865 · Cliopatria v 0.2.1 · Newberry Atlas of Historical County Boundaries: historical states and territories · Maps of History: Civil War source decisions

Source details

US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
Cliopatria contributors / Seshat Global History Databank. Selected, combined, reprojected and corrected by Maps of History as described per layer.. CC BY4.0
The Newberry Library, Atlas of Historical County Boundaries. State/territory records unioned for the displayed date; disputed/joint territories excluded from exclusive US sovereignty.. Publisher permits commercial and noncommercial lawful reuse without fees; current terms supersede obsolete NC notice in archive
Source-native legal boundaries, annual military control and independently reconstructed campaign sectors are kept separate. Region connectors and corridor widths are interpretive.. Original historical reconstruction with attributed evidence

Legal US boundaries come from dated Newberry records. Secession and military control use separate source layers, while campaign corridors are educational geographic reconstructions rather than surveyed continuous fronts.

reconstruction: 1840 · reconstruction: 1845 · reconstruction: 1854-07-01 · reconstruction: 1861 · reconstruction: 1861-04-13 · reconstruction: 1861-07-21 · reconstruction: 21July1861 Bull Run defensive sector · vector: 1860 state-interface reference · vector: us-e24e487b916d

Layer records and reconstruction methods

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