[Etats-Unis: Partie septentrionale].
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. Vault AACR2: 440; 651/1; 651/2; 651/3