California Government Web Resources

Geology
California Geological Survey
(formerly Division of Mines & Geology)
Index to Geologic Mapping in California
Publications of the California Geological Survey

GIS
California Spatial Information Library
The CaSIL library and web site are works in progress. It will include a
statewide data index.

USGS DRG Download Service
Download the DRGs for the state from this site.

Land Use & Environment
Cal EPA: California Enivronmental Protection Agency
California State Parks
CDF: California Department of Forestry
CERES: Cal. Environmental Resources Evaluation System
Farmland Mapping and Monitoring Program
Printed soil surveys for California
Online Soil Surveys for California
Environmental Information by Data Type (maps, GIS, etc.)

Transportation
California Scenic Highway Mapping System

Search Other CA Agencies
State of California web portal