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 ;Geological Survey (U.S.)
U1  - 552/.23/0979448 22
PY  - 2005///
CY  - Denver, CO
PB  - U.S. Dept. of the Interior, U.S. Geological Survey
KW  - Volcanic ash, tuff, etc
KW  - California
KW  - Nevada
KW  - Utah
KW  - Geology, Stratigraphic
KW  - Pliocene
KW  - Pleistocene
N1  - Includes bibliogr. references (p. 49-52); Also available on the Internet
ER  -