File:Appendix to the Journals of the Senate and Assembly of the session of the Legislature of the State of California (1917) (14597571739).jpg

Identifier: appendixtojourna19177cali (find matches)
Title: Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California
Year: 1853 (1850s)
Authors: California. Legislature
Subjects: Legislative journals
Publisher: Sacramento : State Printing
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

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The development consists of a shaftand 9 levels, 2500 feet of drifts, 2 air shafts, 50 feet of crosscut, 25-foot raise and a stope 100 feet long. The ecpiipment is quite exten-sive and includes a power line of the Pacific Gas and Electric Companyfrom the Orra Rica quartz mine, 11,433 feet long and a large motornot set up. There are also 3000 feet of track, shaft pump, ore cars and2 rock crushers, 40-stamp mill, 16 Union Iron AVorks vanners, eight4 X16 amalgamating plates, Challenge feeders, blacksmith andmachine shop with complete set of lathes and tools, boiler house and4 boilers, compressors, hoisting engine, mill engine and engine forrock crusher. There are about 4 miles of narrow gauge track fromthe Mary Harrison mine to the Potosi mill, one 8-ton locomotive, twelve3-ton ore cars, transformer house, change house, cook house, office,assay office, and several small 1)uildings. The shaft was unwatered asfar as the ninth level in 1912, when work ceased and the mine has beenidle since.
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Princeton Quartz Mine plant, belonging to the Mariposa Commercial and Mining Company of Mariposa County, California. MARIPOSA COUNTY. 595 Princeton Quartz Mine. Consists of one patented claim owned bythe Mariposa Commercial and Mining Company of San Francisco, andlocated on the Mariposa Grant in Sec. 18, T. 5 S., R. 18 E., M. D. M.,12 miles by wagon road from Bagby. The vein averages 8 feet wideand has slate walls. The development consists of an incline shaft 1660feet long with 8 levels, 11,418 feet of drifts, 1827 feet of raises and 1300feet of crosscuts. The shoot is stoped from the 1200-foot level to thesurface. All underground equipment has been removed from below.There is a 40-stamp mill, Challenge feeders, amalgamating plates, Uniontables, machine shop, blacksmith shop, carpenter shop, assay office, store,saw mill, chan<):e house, five 50 h.p. boilers, machine drills and tools,powder magazine and transformer house, two 150 h.p. and one 100 h.p.compressors, three motors. Snow

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