Map of the Battlefield of Antietam / Prepared by command of Brigadier General A.A. Humphreys Chief of Corps of Engrs. U.S. Army from surveys made under the direction of N. Michler Maj. of Engrs. Bvc Brig. Genl. U.S.A.
From Maryland (In 5 layers) Depicts: 1864 Last modified about 5 years ago. 5 control points.
A low resolution preview is shown below.