Relief shown by hachures. Prime meridian: Washington. Insets: Baltimore -- Steamboat routes. "Entered according to Act of Congress in the year 1846 by H.N. Burroughs, in the Eastern District of Pennsylvania." In lower right margin: 15. 25 x 35 centimeters Scale approximately 1:1,200,000. General Map Collection
Creator:
Mitchell, S. Augustus (Samuel Augustus), 1792-1868
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