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Start Over Year 1956 Publisher Indiana Geological Survey Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Geologic map of Indiana

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1956. Patton, John B. (John Barratt), 1915-. Base from Map of Indiana, 1950 edition, published by the U.S. Geological Survey. Minor revisions and additions made from Indiana Department of Cons... Indiana Geological Survey.

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