Scale ca. 1:330,000. Relief shown pictorially. "Méridien de Philadelphie à 75⁰ 13ʹ de longitude ouest de Londres." Inset: Nouvelle carte du Canada supérieur et inférieur [ca. 1:17,500,000] LC Maps of North America, 1750-1789, 739 Available also through the Library of Congress Web site as a raster image. Vault AACR2
Unknown author<span style="display: none;">Unknown author</span>
1780
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