Scale ca. 1:265,000. Prime meridian: Ferro and London. Relief shown pictorially and by hachures. LC Maps of North America, 1750-1789, 2016 Available also through the Library of Congress Web site as a raster image. Vault AACR2
Jefferys, Thomas
1768
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/75693286/">https://www.loc.gov/item/75693286/</a>