Rand McNally and CompanyDate from acquistion marking.; Includes motor distance charts and icons showing trail and highway markings.; On verso: text, col. ill., advertisements for Miller Hotels in Iowa, and ancillary road map showing adjoining states.22 x 32 centimeters, folded to 23 x 11 centimetersJPEGUMN_ALMA:9948982090001701engRand McNally (Chicago)PublicMiller Hotel Company auto trails map of IowaMapsIowa1928?University of Minnesota