1968. 2012-02-21T16:53:20Z. 2012-02-21T16:53:20Z. Outerbridge, William F. U.S. Geological Survey. English. Public. Kentucky and Pike County.
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1968. 2012-02-17T20:01:21Z. 2012-03-05T17:41:32Z. Outerbridge, William F. U.S. Geological Survey. English. Public. Kentucky and Pike County.
1968. 2012-01-31T19:09:11Z. 2012-03-05T17:37:55Z. Outerbridge, William F. U.S. Geological Survey. English. Public. Kentucky, Magoffin County, and Floyd County.