U. S. Gov't. 1872. South Mountain Showing the Positions of the Forces of the United States and of the Enemy during the Battle fought by the Army of the Potomac under the Command of Major General G. B. McClellan Sept 1862. Prepared in the Bureau of Topographical Engineers. Very good condition. Reference Stephenson Civil War Maps, entry 520.
South Mountain is in the Blue Ridge Mountains in southern Pennsylvania and western Maryland.
The map shows roads, towns, terrain features, fences, Union and Confederate troop positions and names of commanders. The map covers an area about 5 miles wide by 9 miles high.