1. Map of trunk highway system, state of Minnesota : showing conditions as of May 1, 1924 Maps University Of Minnesota Public content 1924. Minnesota. Department of Highways. "Copyright 1924 by McGill-Warner Co., St. Paul, Minn."; Includes inset: Minneapolis-Saint Paul and vicinity. 89 x 76 Centimeters Scale approximatel... McGill-Warner (St. Paul).