Map of battle-grounds of August 28th, 29th, & 30th 1862 in the vicinity of Groveton, Prince William Co., Va.

Scale 1:21,120.
LC Civil War Maps (2nd ed.), 577.5
At head of title: Engineer Department, U.S. Army. Bvt. Maj. Gen. A. A. Humphreys, Brig. Gen. & Chief of Engineers.
Endorsed (facsim.): Official copy G. K. Warren Maj. Engrs. & Bvt. Gen. U.S.A.
Base map of the battlefield of Second Manassas showing roads, railroads, houses and names of residents, drainage, and vegetation. Troop positions are not indicated.
The following sentence below the map title has been ruled out: Note-There will be a descriptive memoir, and a sheet exhibiting hill topography, to accompany this map.
Description derived from published bibliography.
Available also through the Library of Congress web site as raster image.