• Revised plan of battle of Malvern Hill, July 1st, 1862 (official).

    Details the action of July 1, 1862, with most of the major Confederate forces under the command of Stonewall Jackson, D. H. Hill, and Magruder, identified in their location north of Malvern Hill, and all the Union troops due south of the Confederates, notably including Berdan's sharpshooters and the troops of Heintzelman, under whom Sneden served, Couch, Morell, and others.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • Map of Harrison's Landing, James River, Virginia.

    Shows the locations along the James River of the camps of the U.S. Army of the Potomac after the Seven Days' Battles, 25 June-1 July 1862. Also shows locations of Berkeley and Westover plantations in Charles City County, Va.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1870
  • Map showing the Chicahominy [sic] and James rivers and from Richmond to Harrison's Landing, Va.

    Shows the terrain over which the Peninsula Campaign was waged during March-June 1862.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1870