Rand McNally and CompanyDate from map code: "J-18"--lower lefeet; Indexed.; Continued by inset of northeast corner of Minnesota with portion of Ontario.; On verso: advertisement, ancillary map: North Central United States, and inset: Minneapolis & St. Paul.58 x 38 centimeters, folded to 23 x 11 centimetersJPEGUMN_ALMA:9931896750001701engRand McNally (Chicago, Ill)PublicPure Oil pathfinder for MinnesotaMaps1928University of Minnesota