MINERAL PRODUCTS OF CALIFORNIA FOR J902. 



Mineral Product. Quantity. Value. 



Asphalt 34,511 tons $349,344 



Bituminous Rock 33,490 tons 43,411 



Borax and Boric Acid 17,202 tons 2,234,994 



Cement 171,000 bbls. 423,600 



Chrome 315 tons 4,725 



Chrysoprase 50 lt)s. 500 



Clays— For Pottery 67,933 tons 74,163 



For Brick 169,851 M. 1,306,215 



Coal 88,460 tons 248,622 



Copper 27,860,162 It)s. 3,239,975 



Fuller's Earth 987 tons 19,246 



Glass Sand 4,500 tons 12,225 



Gold 16,910,320 



Granite 257,650 cu. ft. 255,239 



Graphite 42 tons 1,680 



Gypsum 10,200 tons 53,500 



Infusorial Earth 422 tons 2,532 



Lead 349,440 lbs. 12,230 



Lithia Mica 822 tons 31,880 



Lime 448,664 bbls. 369,616 



Limestone 71,422 tons 90,524 



Macadam 500,939 tons 418,548 



Manganese 870 tons 7,140 



Magnesite 2,830 tons 20,655 



Marble 19,305 cu. ft. 37,616 



Mica 50 tons 2,500 



Mineral Paint 589 tons 1,533 



Mineral Water 1,701,142 gals. 612,477 



Natural Gas ' 120,968 M. cu. ft. 99,443 



Paving Blocks 3,502 M. 112,437 



Petroleum 14,356,910 bbls. 4,692,189 



Platinum 39 ozs. 468 



Pyrites 17,525 tons 60,306 



Quicksilver 29,552 flasks 1,276,524 



Rubble 1,555,076 tons 830,981 



Salt 115,208 tons 205,876 



Sandstone 212,123 cu. ft. 142,506 



Serpentine 512 cu. ft. 5,065 



Silver (Commercial value) 616,412 



Soda 7,000 tons 50,000 



Slate 4,000 squares 30,000 



Soapstone 14 tons 288 



Tourmaline 150,000 



Turquoise 510 lt)s. 11,600 



Total value " $35,069,105 



