Relief shown pictorially. Coordinates approximate and based on Greenwich meridian. Scales in "Sea Leagues 20 to a Degree" and "British Statute Miles 69 1/2 to a Degree." Appears in the author's The American atlas. London : R. Sayer and J. Bennett, 1783. Prime meridian: Ferro. Includes notes: "Explanation of the Russian names". "Published as the Act directs, March 2d 1775."