%0 U.S. Federal Government Document %0 Print %0 Book %A Du Bray, E. A. %I U.S. G.P.O. : Dept. of the Interior, U.S. Geological Survey %D 1995 %C Washington %G English %B U.S. Geological Survey professional paper ; %T Geochemistry and petrology of Oligocene and Miocene ash-flow tuffs of the southeastern Great Basin, Nevada