1. Geologic map of the Hickory quadrangle, Graves County, Kentucky [cartographic material] Yale Public content 1965. 2011-12-20T14:46:43Z. 2012-03-05T17:26:23Z. Blade, Lawrence V. (Lawrence Vernon), 1917-. U.S. Geological Survey. English. Public. Kentucky, Graves County, and U.S.