This large map is undoubtedly one of the best and most detailed depictions of Long Island. Although labeled a geological map, it provides a much more comprehensive view of the area than that label suggests with its hand coloring, detailing of roads, villages, communities, and other political information. It covers Long Island and the rest of southern New York state, as well as Westchester and Rockland counties and northeastern New Jersey. At bottom right is a large inset of "New York Island" detailing the major streets and topography. The colorful sheet is further embellished with fancy lettering in the title. A large map on two sheets joined, as issued. From the topographical surveys of J. Calvin Smith, lithographed by Endicott.

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Condition: B

Issued folding with full contemporary color. There is dampstaining along the right edge of the map, light toning along the panels where it folded into the book, light foxing, and extraneous creasing at top left. A small tear in the left blank margin has been closed on verso with archival tape.