Indiana. Department of Geology and Natural ResourcesShows oil and gas wells for the Petersburg oil field in Pike County, Indiana. Detached from: Structural geology / Edward Barrett. In Forty-first annual report of Dept. of Geology and Natural Resources, Indiana, 1916. Fort Wayne, Ind.: Fort Wayne Printing Co., 1917. Page 107.Imprint: [Fort Wayne, Ind.] : [Indiana Dept. of Geology and Natural Resources], [1917]; Imprint: [Fort Wayne, Ind.] : Fort Wayne Printing Co., [1917]Dimensions: 47 x 57 cm; Scale: Approximately 1:33,000JPEGG4093.P4H8 1916 .I5engIndiana. Department of Geology and Natural ResourcesPublicGas wellsOil wellsOutline map of Petersburg oil fieldMapsIndiana--Petersburg RegionIndiana--Pike CountyIndiana1917Indiana University