1. Geology of the Elva quadrangle, Kentucky / [cartographic material] Yale Public content 1963. 2011-05-18T20:26:34Z. 2012-02-14T00:28:28Z. Olive, Wilds W. (Wilds Williamson), 1921-. U.S. Geological Survey. English. Public. Kentucky, Marshall County, McCracken County, and Graves County.