Map of the battlefield of Bull Run, Virginia. Brig. Gen. Irvin McDowell commanding the U.S. forces, Gen. G. [i.e. P.] T. Beauregard commanding the Confederate forces, July 21st 1861 / compiled from a map accompanying the report of Brig. Genl. McDowell and a map made under the direction of Genl. Beauregard. Published by authority of the Hon. the Secretary of War in the office of the Chief of Engineers, U.S. Army

Bell Bros. photo-lithographers, Washington, D.C ; Gives roads, railroads, hachures, vegetation, drainage, villages, houses, fences, and names of residents. "Dotted lines near Centreville indicate sites of [Union] bivouacs on the night of July 20th. Full lines denote the position of the forces on the next day at the commencement of the engagement at Sudley's Springs; blue marking the United States Forces, and red the Confederates." ; Similar to no. 572, LC Civil War Maps (2nd ed.) ; Description derived from published bibliography ; Relief shown by hachures. Also available online via the Library of Congress: http://hdl.loc.gov/loc.gmd/g3884m.cw0572000Color1:21,120. 3 in. = 1 mil