. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. being owned at present byW. S. Tevis, of San Francisco, and leased out as part of a cattle the time of working the surface cuts for sulphur, some diffi-culty was experienced in refining the material because of the presenceof cinnabar, Avhich darkened the product. The proportion of cinnabarincreased with depth. Cost of transportation to the market and arapid fall in the price of sulphur caused a cessation of operations, butthe mine was reopened and developed for i
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. being owned at present byW. S. Tevis, of San Francisco, and leased out as part of a cattle the time of working the surface cuts for sulphur, some diffi-culty was experienced in refining the material because of the presenceof cinnabar, Avhich darkened the product. The proportion of cinnabarincreased with depth. Cost of transportation to the market and arapid fall in the price of sulphur caused a cessation of operations, butthe mine was reopened and developed for its quicksilver in 1873, beinga steady and important producer until 1883. After four years ofidleness, w^ork was resumed and continued until 1897, when it wasagain shut down. In 1899 the mine was reopened and worked untilDecember, 1905, the shaft being kept unwatered until June, 1906, sincewhich time it has been idle. As a producer of quicksilver, the SulphurBank mine is credited with a total output of 92,000 flasks. It is saidthat at the time of the last closing down of the mine (due to financial LAKE COUNTY. 235. 236 MINES AND MINERAL RESOURCES. troubles as well as the increasing difficulties of ventilation and pump-ing in consequence of the hot waters and deleterious gases) they hadopened up a good bod}^ of high grade ore underground from the Empire shaft. The Sulphur Bank is a low, rounded hill (see photo No. 22), on theeastern shore of Clear Lake in Sec. 6, T. 13 N., R. 7 W., about 10miles north of Lower Lake. It is also reached by launch from elevation is 1350 feet at the lake level. The old surface cuts muchresemble those of a placer mine with its tailings piles of boulders, except
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Keywords: ., bookauthorcaliforn, bookcentury1800, bookdecade1850, bookyear1853
