• Map
    [Map of northern Virginia and part of Maryland]. Relief shown by shading. Shows area south of Frederick, Maryland to Colchester, Virginia and west of Baltimore, Maryland to Harpers Ferry, West Virginia, including fortifications at Munson Hill. Note on verso obscured by mounting: From Capt. James W. Abert, U.S. Army Topog. Engrs. LC copy annotated in ink: Capt. James W. Abert, Capt. U.S. Army Topog. Engrs. Title, date, and scale from Stephenson's Civil ...
    • Contributor: Abert, J. W. (James William)
    • Date: 1862
  • Map
    Contours of Union forts on south side of Potomac, 1862 [map].
    Union forts on the Virginia shore
    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.
    • Contributor: Sneden, Robert Knox
    • Date: 1862