Shows major highways and railroads., Imprint: Reston, Va. : The Survey, 1977., Scale: 1:500,000; Dimensions: 93 x 61 cm, Coordinates: W0880000 W0844500 N0414500 N0375200
Geological Survey (U.S.) (1977). State of Indiana, base map with highways. The Survey. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00648 (map)