1938. 2011-12-12T21:25:57Z. 2022-03-29T20:39:15Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois and Missouri.
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1938. 2011-12-12T21:30:47Z. 2022-03-29T20:39:53Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Missouri.
1938. 2002-10-22T14:01:03Z. 2018-01-12T19:10:38Z. Rand McNally and Company, cartographer. Rand McNally & Company. English. Public. Missouri.
1938. 2011-12-12T21:30:59Z. 2022-03-29T20:39:54Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Missouri.