1. Geologic map of the Sharpsburg quadrangle, east-central Kentucky [cartographic material] Yale Public content 1977. 2012-06-05T18:52:44Z. 2012-06-13T15:04:34Z. Blade, Lawrence V. (Lawrence Vernon), 1917-. U.S. Geological Survey. English. Public. Kentucky, Bath County, Montgomery County, Nicholas County, Bourbon County, and U.S.