Scale ca. 1:48,500. Relief shown by hachures. Depths shown by soundings. LC copy imperfect: Brittle on edges and deterioration along fold. LC Maps of North America, 1750-1789, 859 Available also through the Library of Congress Web site as a raster image. Vault AACR2
[Des Barres, Joseph F. W. (Joseph Frederick Wallet)]; [Des Barres, Joseph F. W.
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