geology by Robert C. Witter ... [and others] ; digital database by Carl M. Wentworth, Suzanna K. Brooks, and Kathleen D. Gans ; in cooperation with the California Geological Survey
Date
2006
Edition
Version 1.1, May 2, 2006.
Series
U.S. Geological Survey open-file report ; 2006-1037
by E.D. Anderson ... [and others] ; U.S. Department of the Interior, U.S. Geological Survey ; in cooperation with National Science Foundation, Bundesanstalt für Geowissenschaften und Rohstoffe, and University of Minnesota, Duluth
Date
2006
Edition
Version 1.0, posted September, 2006.
Series
U.S. Geological Survey open-file report ; 2006-1255
digital files prepared by Keith A. Labay ... [and others] ; geologic map by Alison B. Till ... [and others] ; U.S. Department of the Interior, U.S. Geological Survey
Date
2006
Edition
Version 1.0.
Series
U.S. Geological Survey open-file report ; 2006-1304