topic

• Fortification20
• Railroads12
• Administrative and political divisions9
• Landowners6
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name

• American Civil War (1861-1865)47
• United States. Army. Corps of Topographical Engineers17
• United States Coast Survey14
• Humphreys, A. A. (Andrew Atkinson), 1810-188310
• Krebs, Charles G9
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collection

place

• United States72
• Virginia69
• Richmond (Va.)20
• Richmond Region (Va.)19
• Fredericksburg (Va.)13
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genre

• Maps137
• Military maps14
• Manuscript maps8
• Topographic maps4
• Bathymetric maps2
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publisher

• publisher not identified18
• Corps of Topographical Engineers10
• U.S. Coast Survey Office10
• Office of Surveys and Maps, Army of the Potomac7
• Harper & Brothers4
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division

• Map Division137

type

• cartographic137
• text2
• still image1