Salem, Mass. Harbor.
Bowditch, Nathaniel. *Map 835.2.1806 Chart of the harbours of Salem, Marblehead, Beverly and Manchester, from a survey taken in the years 1804, 5 & 6 by Nathaniel Bowditch oo. assisted by Geo. Burchmore & Wm. Ropes 3d. [Salem.] 1806. Size, 20 3/8 x 24 7/8 inches. Scale (computed), 1650 feet to 1 inch.