topic

• Fortification2
• Civil war1
• Maps1
• Military maps1

name

• United States. Army of the Potomac. Office of Surveys and Maps7
• American Civil War (1861-1865)5
• Humphreys, A. A. (Andrew Atkinson), 1810-18835
• United States. Army. Corps of Topographical Engineers5
• United States. Army of the Potomac4
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collection

• Maps of North America18

place

• Virginia14
• United States13
• Richmond (Va.)7
• Fredericksburg (Va.)5
• Richmond Region (Va.)4
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genre

• Maps18
• Military maps3
• Manuscript maps2
• Topographic maps1

publisher

• Office of Surveys and Maps, Army of the Potomac6
• Corps of Topographical Engineers3
• U.S. Coast Survey Office2
• Army of the Potomac1
• Army of the Potomac, Engineer Department1
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division

• Map Division18

type