MapMap of the lines at Yorktown, Virginia, April 1862. Shows the vicinity around Yorktown, Va., including Warwick Court House, the Warwick River, and Wormsley Creek as siege lines were drawn by McClellan's Union troops and Magruder's Confederate forces.
- Contributor: Humphreys, A. A. (Andrew Atkinson) - Heine, William - Sneden, Robert Knox
- Date: 1862-04-03