United States. Public Roads Administration"Base map from U.S. Geological Survey state map." "Data corrected to May 1, 1940."Imprint: [Washington, D.C.?] : The Administration, [1940]Scale: 1:500,000; Dimensions: 92 x 70 cm, sheets 55 x 79 cmCoordinates: W0880700 W0844500 N0414500 N0375200JPEG8d5881a3-570c-4de2-8f05-c6296914ca44G4091.P2 1940 .U5engUnited States. Public Roads AdministrationPublicRoadsFederal aid highway system progress mapMapsIndiana1940Indiana University