1968. 2012-02-20T19:37:59Z. 2012-03-06T15:52:00Z. Kehn, Thomas M. U.S.Geological Survey. English. Public. Kentucky, Muhlenberg County, Hopkins County, and Christian County.
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1968. 2012-02-20T19:22:06Z. 2012-03-06T15:51:58Z. Palmer, James Edward. U.S. Geological Survey. English. Public. Kentucky, Hopkins County, and Christian County.
1968. 2012-02-16T19:56:03Z. 2012-03-05T17:41:23Z. Trace, Robert Denny, 1917-. U.S. Geological Survey. English. Public. Kentucky, Caldwell County, and Hopkins County.