The California Geological Survey provides an annual summary of the state’s mineral resource production exclusive of oil, gas, coal, and geothermal energy.
California remains one of the largest producers of non-fuel minerals in the United States. This report discusses the commodities produced as well as trends in commodity production. This report is based on data reported by mine operators to the California Division of Mine Reclamation (DMR).
Previous Annual Reports of Non-Fuel Mineral Production
Web page by:
California Mineral Resources Program