Extract of military map of N.E. Virginia showing forts and roads.
Covers Washington D.C. metropolitan area. Relief shown by hachures. Depths shown by soundings. Also shows rural householders' names and vegetation. In left upper margin: 39th Cong. 1st Sess.--Report of the Chief Engineer U.S.A. Includes note and coat of arms below title. In right upper margin: No. 1. LC Civil War maps (2nd ed.), 686 LC copies mounted on cloth backing. LC copy 2 fold-lined...
United States. War Department. Engineer Bureau - Bowen & Co. - United States. Congress