Contours of Union forts on south side of Potomac, 1862 [map].
Summary
This map shows the names and configurations of Union fortifications on the Virginia side of the Potomac River in 1862, and in some cases lists the name of the regiment that built the structure.
Tags
Date
01/01/1862
Contributors
Sneden, Robert Knox, 1832-1918.
Source
Library of Congress
Copyright info
Public Domain