. Journal of electricity. Light & Power Corporation continuedtheir accustomed yield for the year. The gold production for California, since its dis-covery in 1848, has amounted to a billion and two-thirds dollars. In recent years the electrically oper-ated dredge has produced the major portion of the out-put. Here is the yearly production for the past tenyears: 1907 $16,727,920 1908 18,761,559 1909 20,237,870 1910 19,715,440 1911 19,738,908 1912 19,713,478 1913 20,406,958 1914 20,653,496 1915 22,442,296 1916 21,410,741 Value of Other Mineral Products Substance— 1915 1916 Borax : $1,663,521 $1,
. Journal of electricity. Light & Power Corporation continuedtheir accustomed yield for the year. The gold production for California, since its dis-covery in 1848, has amounted to a billion and two-thirds dollars. In recent years the electrically oper-ated dredge has produced the major portion of the out-put. Here is the yearly production for the past tenyears: 1907 $16,727,920 1908 18,761,559 1909 20,237,870 1910 19,715,440 1911 19,738,908 1912 19,713,478 1913 20,406,958 1914 20,653,496 1915 22,442,296 1916 21,410,741 Value of Other Mineral Products Substance— 1915 1916 Borax : $1,663,521 $1,670,000 Brick 1,678,756 1,600,000 Cement ,950 6,100,000 Clay — Pottery 133,724 135,000 Lead 225,426 1,000,000 Lime 286,304 285,000 Limestone 156,288 155,000 Magnesite 283,461 800,000 Mineral water 467,738 470,000 Natural gas 1,706,480 1,800,000 Pyrite 293,148 295,000 Quicksilver 1,157,449 2,500,000 Salt 368,737 350,000 Silver 851,129 1,400,000 Stone, miscellaneous 5,011,108 5,100,000 Zinc 1,617,383 2,000,000. The tungsten mines at Randsburg 128 JOURNAL OF ELECTRICITY tVol. 40—No.
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Keywords: ., bookcentury1900, bookdecade1910, bookidjo, booksubjectelectricity
