1. Geologic map of the Frenchman Flat quadrangle, Nye, Lincoln, and Clark Counties, Nevada [cartographic material] Yale Public content 1965. 2011-12-20T14:56:25Z. 2021-05-05T21:36:28Z. Poole, F. G. (Forrest Graham), 1929-. The Survey. English. Public. Nevada, Nye County, Lincoln County, Clark County, and U.S.