"An interactive index of Web pages of geologic field trip guides and related Web sites compiled by the California Geological Survey (CGS) for the benefit of all who have wondered about California's geologic features. We have listed Web pages that contain geologic information, including photographs, maps, text and directions for local natural features throughout the state."
Originally published in 1979, The California Water Atlas, a monument of 20th century cartographic publishing, has been scanned and put online for free public access. Several ways to view this amazing resource. We also have a copy in print, 2 North Ref Desk Collection G 1526 .C3 .C3 1979
Issued by the California Division of Mines and Geology. Consists of 27 colored map sheets showing the regional distribution and inter-relationships of the various rock units and major geologic structures present in California. Reference is made to the appropriate USGS topographic maps covering each of the 27 major map sheets. Print copy on 2 South Ref Desk Collection, TN 24 .C2 A3224. Online at http://www.consrv.ca.gov/cgs/rghm/rgm/250k_index/Pages/250k_index.aspx
Web Soil Survey (WSS) provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service (NRCS). Both the manuscript and map is available. We also have a copy in print, 2 S Ref S599.C3 U5
The historical topographic map collection contains all editions and all scales of USGS topographic quadrangles. Files are high resolution (600 DPI) scanned images of all maps from the USGS legacy collection.” This is over 200,000 maps spanning 1884-2006.”