California Geological Survey
Plan Review Information
In 1880 the California Legislature established the State Mining Bureau which has evolved during its 127 years of continuous service into the modern California Geological Survey (CGS). Of course the earliest history of CGS has its founding roots entwined with the discovery of gold in 1848.
The CGS staff is dedicated to the fulfillment of our stated mission of providing information and advice to protect life and property from natural hazards and to promote a better understanding of California's diverse geologic environment.
CGS geoscientists, engineers, and support staff take great pride in being part of an organization that has a 127 year legacy of providing scientific and engineering service to the State of California.