• Map
    Map showing positions of Union and Rebel forces Septr 1861. Depicts the area between Lewinsville, in Fairfax County, and Georgetown in the north, and Alexandria in the south. The location of the Loudoun and Hampshire Railroad is also indicated.
    • Contributor: Sneden, Robert Knox
    • Date: 1861
  • 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
  • Map
    Union forts on Maryland shore
    [Contours of Union forts on the north side of the Potomac, 1862] :
    Shows the names and configurations of Union fortifications on the Maryland side of the Potomac River in 1862, and in some cases the name of the regiment that built the structure. This appears to be a companion piece to the image on p. 43.
    • Contributor: Sneden, Robert Knox
    • Date: 1861