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Start Over You searched for: Place Indiana Remove constraint Place: Indiana Year 1973 Remove constraint Year: 1973 Bounding Box -40.000931 39.999015 -39.999064 40.000987 Remove constraint Bounding Box: -40.000931 39.999015 -39.999064 40.000987

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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.