J.H. Colton & CoRelief shown pictorially.; Depths shown by contours.; Appears in Colton's Atlas of the world (New York, 1856).; "Entered according to Act of Congress in the year 1855, by J.H. Colton & Co. in the clerk's office of the District Court of the United States for the Southern District of New York."; In lower right corner: "No. IV."17 x 20 Centimeters or smaller, sheet 40 x 47 CentimetersScale approximately 1:12,000,000.General Map CollectionJPEGUMN_ALMA:9977801691401701engG.W. & C.B. Colton (New York)PublicComparative size of lakes and islandsOtherWorldUniversity of Minnesota