Two maps accompanying a report of the Secreatry of War, regarding the improvement of Wilmington Harbor.
This map focuses on the area which includes Smith's Island, Rattlesnake Island. Filled with hundreds of soundings. Includes a section of the future Terminal Island and the town of San Pedro.
The second map focuses on the mouth of the Harbor, including Deadman's Island: /gallery/enlarge/47227rca
Prepared for the US Army Corps of Engineers, under the Direction of Lt. Col. W.H.H. Benyaurd, Corps of Engineers.