1. Geologic map of the Heath quadrangle, McCracken and Ballard Counties, Kentucky [cartographic material] Yale Public content 1966. 2012-01-13T20:46:32Z. 2012-03-05T17:33:08Z. Olive, Wilds W. (Wilds Williamson), 1921-. U.S. Geological Survey. English. Public. Kentucky, McCracken County, and Ballard County.