Map of n. eastern Virginia and vicinity of Washington /

Shows forts and batteries in the District of Columbia and immediate vicinity.
Relief shown by hachures. Depths shown by soundings.
At head of title: Surveys for military defences.
"Additions & corrections for Rappahannock and Rapid Ann Rivers and their vicinity ..." added to data used in compilation.
Mounted on cloth backing.
Includes "Data used in compilation," table of "Elevations above tide water," and "Geological profile of Loudoun County."
LC Civil War maps (2nd ed.), 468
Available also through the Library of Congress Web site as a raster image.
Copy 1 filed in Vault. Copy 2 filed with Civil War Map Collection under bibliography no. 468.
Copy 2 dissected and mounted on cloth backing (sheets 63 x 78 cm. or smaller); stamped on verso of northwestern sheet: Gilbert Thompson.
Vault
DCP
ARP