Report of the State Mineralogist, Volume 55

Address Location Alameda Angeles barite barrels Blvd Calaveras California California counties California during 1956 cement chemical analysis chromite clay copper Corp counties during 1956 Creek deposits diatomite Division of Mines Dorado fiscal Fresno gem stones geologic map gold gypsum industry Inyo County Kern County laboratory Lake limestone Los Angeles manganese Mariposa materials mercury metals mills mineral commodities mineral production mineral resources Mono County Monterey Napa Natural gas Nevada Operator ounces output percent perlite petroleum Photo Placer plant pounds produced in California production by counties pumice pumicite pyrophyllite quadrangle Riverside County Rock Sacramento salt San Bernardino County San Francisco San Luis Obispo Sand & Gravel Sand and gravel sg P.O. Box Shasta County short tons Short tons Value Sierra silver Siskiyou Stone miscellaneous sulfur Tulare tungsten tungsten concentrates Tuolumne U. S. Bureau U. S. Geological Survey Unapportioned Unapportioned*_ Total value_ Valley Yuba zinc