"Conservation Commission, Stanley Coulter, Chairman." "The based used...is the Ryse map, which has been modified." Includes geologic cross sections. Imprint: [Indianapolis] : Dept. of Conservation, State of Indiana, 1932. Dimensions: 177 x 112 cm; Scale: 1:253,440 Coordinates: W0870000 W0850000 N0410000 N0380000