1962. 2011-05-10T18:25:33Z. 2012-02-14T00:27:45Z. Nelson, Willis H. (Willis Howard), 1920-. U.S. Geological Survey. English. Public. Kentucky, Allen County, Tennessee, and Macon County.
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1962. 2011-05-13T16:01:32Z. 2018-02-14T14:16:41Z. Gildersleeve, Benjamin, 1907-2003. U.S. Geological Survey. English. Public. Kentucky, Warren County, and Allen County.
1962. 2011-05-12T19:39:04Z. 2012-02-13T19:45:27Z. Ketner, Keith Brindley, 1921-. U.S. Geological Survey. English. Public. Kentucky and Allen County.