[Topographic map of the vicinity of Fort Slocum, Washington D.C.].
Relief shown by hachures and form lines. Shows householders' names. In upper left sheet corner: Transf'd from Office of Chf. Engr. Defenses of Washington, to Engr. Dept.--1866. India ink and violet wash. Fold-lined and torn. In left upper margin: 211, L. Sheet 18. LC Civil War maps (2nd ed.) 691.4 Available also through the Library of Congress Web site as a raster image. Vault...
United States. Army. Corps of Engineers