California’s Non-Fuel Mineral Production

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The California Geological Survey provides an annual summary of the state’s mineral production exclusive of oil, gas, geothermal, and coal. The summary provides information on non-fuel mineral production, mining events, new permitting, exploration, and mining legislation. To provide information in a timely manner, preliminary production estimates are given. Final production data for California’s 2016 Non-Fuel Mineral Production will be available in the 2018 summary.