by H.S. Tanner ; engraved by W. Brose, Philadelphia. Relief shown by hachures. Prime meridian: Washington. Coordinates approximate and based on Greenwich meridian. Bar scale on map given in "miles." "Entered according to Act of Congress in the year 1836 by H.S. Tanner in the ... Eastern District of Pennsylvania." In upper margin: Tanner's universal atlas. List of steamboat routes. Shows canals and proposed, railroads and proposed, and leading roads.
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