. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. feet long. Elevated by bucket elevator(buckets 12x20) to bin in center of mill above 30-inch Robins beltdistributor, Avhich distributes ore to mill bins above batteries, havinga capacity of 4000 tons. A 75 General Electric motor drivescrushers, conveyors and elevators. Mill: 100 stamps, 1000 pounds each, dropping 100 drops per minutethrough 6 inches, and crushing 5 tons per stamp through 20-meshscreen. Pulp from battery plates flows over forty 6-foot Frue van-ners, one C
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. feet long. Elevated by bucket elevator(buckets 12x20) to bin in center of mill above 30-inch Robins beltdistributor, Avhich distributes ore to mill bins above batteries, havinga capacity of 4000 tons. A 75 General Electric motor drivescrushers, conveyors and elevators. Mill: 100 stamps, 1000 pounds each, dropping 100 drops per minutethrough 6 inches, and crushing 5 tons per stamp through 20-meshscreen. Pulp from battery plates flows over forty 6-foot Frue van-ners, one Card table and one Deister table. Mill driven by water power. Power plant at mine generates power for electric tram, hoists, crush-ing machinery and lights. Water purchased from Sierra and San Fran-cisco Power Company, 2 miles of 10-inch pipeline from company ditch tomine, Avith a head of 900 feet. Concentrates from mill are treated bya 20-ton chlorination plant, operated by the company. Eagle-ShawmutMining Company, 1024 Merchants Exchange Building, San Francisco,OAvner. J. Williamson, manager. TUOLUMNE COUNTY. 147. 148 MINES AND MINERAL RESOURCES. Eureka and Mississippi Group of Mines (quartz). It is at the lowerend of Big Oak Flat, on an east and west vein, with a dip of 30° formation is quartz-diorite and mica schist. Shaft 400 feet deepand tunnel 500 feet on vein. Idle. Santa Ana Mining Company, 152Federal street, Boston, Mass., owner. Eureka Mine (quartz). (See Report XII, p. 302.) It is in are two veins about 20 feet apart, one in black slate, the otherin chlorite schist. Shaft 120 feet deep. Idle. J. T. Faxon, of Sonora,owner. Excelsior Mine (quartz). Situated 4 miles northeast of veins lie in a formation of granodiorite, and have a strike of northand south, with a dip of 35° E. Vertical shaft 235 feet deep;incline shaft 200 feet deep. Two men employed sinking a new Sutton, of Sonora, owner. Experimental Mine (quartz). It is
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