Relief shown pictorially. Appears in William Robertson's The history of America, 6th ed., London, W. Strahan and T. Cadell, 1792. Prime meridian: Ferro. "Vol. I." outside upper right margin. 1 map; 30 x 47 cm. This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.