Lane, Alfred C. (Alfred Church), 1863-1948Contours added by Alfred C. Lane, 1908.; Oriented with north toward the upper right.; From: Michigan. Geological Survey. Annual report, 1909. Plate 1.22 x 91 centimetersJPEGUMN_ALMA:9923737670001701engGeological Survey of Michigan (Lansing)PublicGeological map of Isle Royale, Lake Superior, MichiganMapsMichigan1908University of Minnesota