Relief shown by hachures. "Approved October 1st, 1856, John Westcott, Surveyor General." "Sen. ex doc. no. 5 3rd sess. 34th Cong." 1 map; on sheet 71 x 67 cm.
Creator:
United States. Surveyor General, Wagner & M'Guigan, and Westcott, John, 1805-1889
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