Indiana. Division of Geology"R"--Lower right corner of map. "Fig. CXIII." Color map. In Indiana. Division of Geology's Handbook of Indiana Geology, 1922. Indianapolis : Dept. of Conservation, Division of Geology, 1922. Between pages 830 and 831. Indiana Department of Conservation Publication 21.Imprint: [Indianapolis] : Dept. of Conservation, Division of Geology, [1922]Dimensions: 47 x 31 cmJPEGG4091.H8 1922 .I5engIndiana. Division of GeologyPublicOil fieldsNatural gasOil and gas map of IndianaMapsIndiana1922Indiana University