Tephra layers of Blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah : Isotopic ages, correlation, and magnetostratigraphy - Sarna-Wojcicki, Andrei M.; Geological Survey (U.S.) (Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 2005)
Includes bibliogr. references (p. 49-52).
Also available on the Internet
Keywords: Volcanic ash, tuff, etc. -- California; Volcanic ash, tuff, etc. -- Nevada; Volcanic ash, tuff, etc. -- Utah; Geology, Stratigraphic -- Pliocene; Geology, Stratigraphic -- Pleistocene