@book{ Solr-4524502, title = {Geochemistry and petrology of Oligocene and Miocene ash-flow tuffs of the southeastern Great Basin, Nevada}, series = {U.S. Geological Survey professional paper ;}, author = {Du Bray, E. A.}, address = {Washington}, publisher = {U.S. G.P.O. : Dept. of the Interior, U.S. Geological Survey}, year = {1995}, pages = {38}, }