1897. 2011-05-23T19:56:16Z. 2015-10-21T14:59:48Z. Thompson, Gilbert, 1839-1909. Geological Survey. English. Public. Jackson County (Ky.), Kentucky, Laurel County (Ky.), Lincoln County (Ky.), London (Ky.), Pulaski County (Ky.), and Rockcastle County (Ky.).