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48762. Map of Indiana showing bedrock geology

Maps Public content
1970. Purcell, Roger L. Includes geological cross-section. Scale approximately 1:1,800,000. Adapted from Regional Geologic Map series, Indiana Geological Survey; drafted b... Indiana Geological Survey.
1952. Wier, Charles E. (Charles Eugene), 1921- cartographer. Shows southwest quadrant of Indiana.; Includes location map and Diagram of township showing arrangement of sections.; 1952. Scale 1:500,000. Indiana Dept. of Conservation, Geological Survey.
1973. Keller, Stanley J., cartographer. Compilation complete to July 1, 1972.; Base by U.S. Geological Survey; 1950.; Miscellaneous map no. 18.; Includes tables and indexes of underground... Geological Survey, Dept. of Natural Resources.
1923. Pickens, R. F. and Sauers, Chas. G. (Charles G.). Map furnished by Indiana State Highway Commission.' 'Information on hotels, trains and accommodations in state parks compiled by Chas. Sauers'--Map... Indiana Department of Conservation.