Patton, John B. (John Barratt), 1915-Blue line. "Not for publication for correspondence use only"-- Upper margin.Imprint: [Bloomington, Ind.] : Indiana Dept. of Conservation, Geological Survey, 1951.Dimensions: 20 x 26 cm; Scale: Approximately 1:1,500,000Coordinates: W0873622 W0844704 N0400224 N0374618JPEG86dc5836-2570-41ad-841e-2be9bc3f360eG4091.C5 1951 .P38engIndiana. Geological SurveyPublicGeologyGeneralized bedrock map of Southern IndianaMapsIndiana1951Indiana University