United States. Bureau of Public RoadsMaps shows U.S. Highways, National parks, monuments, military reservations, and forests, improved and under construction roads, and pavement types.; "Data corrected to Dec. 31, 1927."; "Approved Federal aid mileage Michigan ... 5,235."; "Printed by the U.S. Geological Survey."sheets 56 x 79 centimetersJPEGUMN_ALMA:9948664110001701engDept. of Agriculture, Bureau of Public Roads (Washington, D.C)PublicThe federal aid highway system progress map : [Michigan]MapsMichigan1927University of Minnesota