Relief shown by hachures. "Entered ... on the 20th day of August 1823, by H.S. Tanner, of the State of Pennsylvania." "Engraved by H.S. Tanner and Assistants." Includes (without detail)--contiguous portions of Connecticut, Massachusetts, New York, Upper Canada, Ohio, Virginia, Maryland, and Delaware. Prime meridians: Washington (top)--and Greenwich (bottom). 51 x 69 centimeters Scale approximately 1:1,140,480 General Map Collection
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