Great Northern Iron Ore Properties (Firm : Saint Paul, Minn.)Below scale: St. Paul, Minnesota, January 1, 1923."."; North oriented to the right of vertical.; Includes index charts to mines of Great Northern and to mines of other companies.40 x 194 centimeters, sheets each 43 x 97 centimetersJPEGUMN_ALMA:9939946490001701engGreat Northern Iron Ore (St. Paul, Minn)PublicMap of the Mesabi Range, Minnesota, showing the active mines and other holdings of the Great Northern Iron Ore Properties, and other miscellaneous mines and reservesMaps1923University of Minnesota