Hutchison, Harold C. (Harold Christy), 1925-Blue line print. "Base modified from Indiana Department of Conservation, Geological Survey. Base map of portion of western Indiana, 1951." Includes "Outline map of Indiana showing location of map area", "Township diagram", and index of "Active coal mines in Indiana (as of February 1, 1970)."Imprint: [Bloomington, Ind.] : Indiana Dept. of Conservation, Geological Survey, [1970]Dimensions: 88 x 54 cm; Scale: 1:325,000Coordinates: W0880150 W0862422 N0403746 N0374559JPEGVAC3073-M-00965G4091 .H9 1970 .H8engIndiana. Geological SurveyPublicCoal mines and miningMap of Southwestern Indiana showing locations of active coal minesMapsIndiana1970Indiana University