1950. 2011-12-12T21:26:27Z. 2022-03-29T20:39:21Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Indiana.
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1950. 2011-12-12T21:26:28Z. 2022-03-29T20:39:21Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Indiana.
1950. 2018-06-22T19:57:37Z. 2018-09-05T20:10:11Z. Wier, Charles E. (Charles Eugene), 1921- cartographer. U.S. Geological Survey. English. cartographic image. Public. Indiana, Clay County, Greene County, Sullivan County, Clay County., Greene County., and Sullivan County.
1950. 2011-12-12T21:26:11Z. 2022-03-29T20:39:16Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois, Indiana, and Kentucky.