1. Rand McNally official 1924 auto trails map Minnesota : Rand McNally official 1924 auto trails map North Dakota South Dakota Maps University Of Minnesota Public content 1924. Rand McNally and Company. Also shows locations of service stations and garages in red.; Indexed. each 63 x 81 centimeters, on sheet 72 x 88 centimeters Scale [1:823,680]; Sc... Rand McNally & Co (Chicago).