Scale ca. 1:2,200,000. Manuscript, pen-and-ink and watercolor. Title from manuscript label on verso as originally mounted. Relief shown pictorially and by hachures. Shows northern U.S. and Great Lakes region of U.S. and Canada. Available also through the Library of Congress Web site as a raster image. col. map on sheet 52 x 74 cm.
Scale ca. 1:3,000,000. Hand colored. "Longitude occidentale du prémier méridien." Relief shown pictorially. Watermarks: [A group of 3 crescents and a fleur-de-lis over the letters AS] LC Maps of North America, 1750-1789, 134 Available also through the Library of Congress Web site as a raster image. col. map 48 x 57 cm.