372 



RURAL CALIFORNIA 



APPENDIX D 



CALIFORNIA MINING PRODUCTS QUANTITIES AND VALUES 

 FOR 1920 



From the annual "Production Report" of the State Mineralogist 



Substance 



Amount 



Asbestos * 



Barytes 3,029 tons 



Bituminous rock 5,450 tons 



Borax 127,065 tons 



Brick and tile 



Cement 6,709,160 bbls. 



Chromite 1,770 tons 



Clay (pottery) 203,997 tons 



Coal 2,078 tons 



Copper 12,947,299 Ibs. 



Dolomite 42,388 tons 



Feldspar 4,518 tons 



Fuller's earth 600 tons 



Gems 



Gold 



Granite 



Graphite * 



Gypsum 20,507 tons 



Infusorial and diatoma- 



ceous earths 60,764 tons 



Iron ore 5,975 tons 



Lead 4,903,738 Ibs. 



Lime 463,144 bbls. 



Limestone 90.120 tons 



Lithia 10,046 tons 



Magnesite 83,695 tons 



Magnesium salts 3,150 .tons 



Manganese ore 2,892 tons 



Marble 29,531 cu. ft. 



Mineral paint 779 tons 



Mineral water 2,391,791 gals. 



Natural gas 58,567,772 M. cu. ft 



Petroleum 103,377,361 bbls. 



Platinum 477 fine oz. 



Potash 26,298 tons 



Pumice and volcanic ash 1,537 tons 



Pyrite 146.001 tons 



Quicksilver 10,278 flasks 



Salt 230,638 tons 



Sandstone 10,500 cu. ft. 



Silica (sand and quartz) 25,324 tons 



Value 



I 20,795 



27,825 



2,794,206 



5,704,393 



14,962,945 



43,031 



440,689 



5,450 



2,382,303 



132,791 



26,189 



6,000 



36,056 



14,311,043 



495,732 



* 



92,535 



1,056,260 



40,889 



392,300 



557,232 



298,197 



153,502 



1,033.491 



107,787 



62,323 



92,899 



,8,477 



421,643 



3,898,286 



178,394,937 



68,977 



1,465,463 



25,890 



530,581 



775,527 



972,648 



2,300 



96,793 



