CGS Notes contain answers to commonly asked questions about California's geology. Most of the CGS Notes are in PDF files and require Adobe Acrobat Reader to view. You can download Acrobat Reader by clicking on the icon below.
California Non-Fuel Mineral Production--2001—CGS Note 8 (This note is a summary; to view the complete report, click here).
Benitoite: California State Gem—CGS Note 11
Gold: California State Mineral—CGS Note 12
Sabertoothed Cat: California's Official State Fossil—CGS Note 13
Serpentine: California State Rock—CGS Note 14
Generalized Geologic Map of California—CGS Note 17
Hints for Gold Prospectors—CGS Note 24
Faults and Earthquakes in California—CGS Note 31
How Earthquakes Are Measured—CGS Note 32
Hazards From Mudslides... Debris Avalanches and Debris Flows in Hillside and Wildfire Areas—CGS Note 33 (html)
California Geomorphic Provinces—CGS Note 36
Watersheds Mapping—CGS Note 40
General Guidelines for Reviewing Geologic Reports—CGS Note 41 (html)
Guidelines for Geologic Reports for Timber Harvesting Plans—CGS Note 45
Revised 2011 Checklist for the Review of Engineering Geology and Seismology Reports for California Public Schools, Hospitals, and Essential Services Buildings---CGS Note 48
Factors Affecting Landslides in Forested Terrain—CGS Note 50
Fossils—CGS Note 51
Guidelines for Preparing Geologic Reports for Regional-Scale Environmental and Resource Management Planning—CGS Note 52
Regulatory Earthquake Hazard Zones - San Francisco Bay Area--CGS Note 53
Regulatory Earthquake Hazard Zones - Southern California Region--CGS Note 54
Tsunamis---CGS Note 55.
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