Atlas of the battlefield of Antietam, prepared under the direction of the Antietam Battlefield Board, lieut. col. Geo. W. Davis, U.S.A., president, gen. E.A. Carman, U.S.V., gen. H Heth, C.S.A. Surveyed by lieut. col. E.B. Cope, engineer, H.W. Mattern, assistant engineer, of the Gettysburg National Park. Drawn by Charles H. Ourand, 1899. Position of troops by gen. E. A. Carman. Published by authority of the Secretary of War, under the direction of the Chief of Engineers, U.S. Army, 1908.