Rand McNally and CompanyCartographic Details: Scale approximately 1:966,000.Continued by inset of northeast corner of Minnesota with portion of Ontario.Includes list of trails and highways including sign markings.71 x 56 centimetersJPEGUMN_ALMA:9931895240001701engRand, McNally and Co. (Chicago, Ill.)PublicRand McNally's official 1921 auto trails map district number 9, Minnesota [and] W. WisconsinMapsMinnesotaWisconsin1921University of Minnesota