Rand McNally and Companyplus index (30 pages ; 17 cm) 15 1/2 = 1 in. (W 104⁰3ʹ--W 96⁰27ʹ/N 45⁰56ʹ--N 42⁰29ʹ). Railroads overprinted in red. Issued folded in index cover. In lower right corner: "220."52 x 71 centimetersJPEGUMN_ALMA:9948652780001701engRand, McNally & Co. (Chicago)PublicThe Rand McNally new commercial atlas map of South DakotaMapsSouth Dakota1915University of Minnesota