Bulletin, Issue 90

Amador amount and value Amount Value Angeles annual Area asbestos average barrels Bibliography brick Bulletin 38 Butte Calaveras California cement census cent chromite clay coal Commercial production companies conceal output copper cost crude petroleum decrease deposits drilling Elk Hills Fresno fuel fuller's earth gasoline gold HIGHWAYS POST OFFICES important increase industry Inyo Kern County Kern River Lake limestone magnesite manganese manufacture metal Mineral Production mineral resources mineral water Mineralogist Mineralogist Reports Mining Bureau miscellaneous Other minerals miscellaneous stone natural gas Nevada oil fields oil lands operating Orange ounces Pacific pipe lines pipe-line Placer plants platinum Plumas potash pound production for 1920 Production of California quicksilver refineries refining Riverside Sacramento salt San Bernardino County San Diego San Francisco San Joaquin Santa Barbara County Shasta County silver Siskiyou square miles Standard Oil Substance Tabulated sheet Tons Value Total value Includes tungsten Ventura County yield Yuba zinc