"[Lot of 2] Potomac Aqueduct [with] Oregon Inlet N. Carolina", U.S. War Dept.
Subject: United States - Mid-Atlantic
Period: 1832-1862 (dated)
Color: Black & White
1) A chart of the "Hydrographic survey of the Potomac River near Georgetown, showing the position of the Aqueduct, its connection with the Ch. & Ohio Canal on the North Bank, and with the Alexandria Canal on the South bank of the river." Dated 1832, 19.2 x 13".
2) U.S. Coast Survey A.D. Bache, dated 1862. Good detail of the narrow opening to the inlet. 17.2 x 15.3".
Both folding, as issued. Former is very good, latter with fold toning and intersection split (B).