Relief shown pictorially. From The General magazine of arts and sciences. 1758. LC Maps of North America, 1750-1789, 1722 Available also through the Library of Congress Web site as a raster image.
Relief shown pictorially. From The General magazine of arts and sciences. 1763. LC Maps of North America, 1750-1789, 1722 Available also through the Library of Congress Web site as a raster image.