topic

• Fortification3
• History3
• Real property2

name

• American Civil War (1861-1865)2
• Arrowsmith, Aaron, 1750-18231
• Bruff, William T. O1
• Colton, J. H. (Joseph Hutchins), 1800-18931
• Gannett, Henry, 1846-19141
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collection

• Maps of North America7
• Lawrence H. Slaughter Collection of English maps, charts, globes, books and atlases1

place

• Virginia8
• Georgetown (Washington, D.C.)2
• Maryland2
• United States2
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genre

• Maps8
• Topographic maps2
• Military maps1

publisher

• Engineer Bureau [War Department]1
• Engineer Commissioner D.C1
• J.H. Colton1
• Published By James Wyld, Geographer To The Queen, 457 Strand; 11 & 12 Charing Cross East, & 2, Royal Exchange1
• S. Augustus Mitchell1
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division

type

• cartographic8