02065oam 2200553 450 991070964620332120180605081920.0(CKB)5470000002471775(OCoLC)896811018(OCoLC)995470000002471775(EXLCZ)99547000000247177520141123d1984 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierChemical analyses, correlations, and ages of upper Pliocene and Pleistocene ash layers of east-central and southern California /by A.M. Sarna-Wojcicki [and nine others]Washington :United States Department of the Interior, Geological Survey,1984.1 online resource (iv, 40 pages) illustrations, mapGeological Survey professional paper ;1293Title from title screen (viewed October 14, 2014).Includes bibliographical references (pages 36-38).Volcanic ash, tuff, etcCaliforniaGeology, StratigraphicPlioceneGeology, StratigraphicPleistoceneGeology, StratigraphicfastPleistocene Geologic EpochfastPliocene Geologic EpochfastVolcanic ash, tuff, etcfastCaliforniafastVolcanic ash, tuff, etc.Geology, StratigraphicGeology, StratigraphicGeology, Stratigraphic.Pleistocene Geologic Epoch.Pliocene Geologic Epoch.Volcanic ash, tuff, etc.Sarna-Wojcicki Andrei M.1387166Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910709646203321Chemical analyses, correlations, and ages of upper Pliocene and Pleistocene ash layers of east-central and southern California3481240UNINA