TY - BOOK AU - Sarna-Wojcicki,Andrei M. ED - Geological Survey (U.S.) TI - Tephra layers of Blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah: isotopic ages, correlation, and magnetostratigraphy T2 - Professional paper AV - QE75 .P9 2005 PY - 2005/// CY - Denver, CO PB - U.S. Dept. of the Interior, U.S. Geological Survey KW - Volcanic ash, tuff, etc KW - California KW - Local KW - Geology, Stratigraphic KW - Pleistocene KW - Pliocene KW - Utah KW - Nevada N1 - Shipping list no.: 2005-0136-P; Includes bibliographical references (p. 49-52); Also available on the Internet UR - http://pubs.usgs.gov/pp/pp1701/ ER -