. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. e ofgreat length, varying in width from a few inches to 20 feet. The veinis usually of a banded structure and exhibits a branching tendencywith many spurs running into the hanging-wall. Main shaft sunk inhanging-wall slates 2400 feet vertical, cutting vein at 1200-foot level,and the footwall of vein at 1245 feet. Winze 450 feet south of mainshaft on 2400-foot level, having a depth of 450 feet. CALAVERAS COUNTY. 85 Equipment: 118-foot steel head-frame, three 80 horizontal
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. e ofgreat length, varying in width from a few inches to 20 feet. The veinis usually of a banded structure and exhibits a branching tendencywith many spurs running into the hanging-wall. Main shaft sunk inhanging-wall slates 2400 feet vertical, cutting vein at 1200-foot level,and the footwall of vein at 1245 feet. Winze 450 feet south of mainshaft on 2400-foot level, having a depth of 450 feet. CALAVERAS COUNTY. 85 Equipment: 118-foot steel head-frame, three 80 horizontal boil-ers, 20x 36 double-drum hoist, driven by either steam or water power(2 ten-foot Pelton wheels), waste water from hoist and mill stored in75,000 gallon tank, from which tank it flowed through one 18 pipe lineand one 15 pipe line to compressor plant on river, giving a head of400 feet. Air was furnished by one 2-stage 18x24 Rix compressor,one 2-stage 15x24 Ingersoll-Rand compressor. Mill: Two 10xll Blake crushers, 100 stamps, weighing 950 poundseach. Twenty 6-foot Frue vanners, sixteen 4-foot Frue vanners. Mill. Another view of steel gallows frame at Gwin Mine, Calaveras County. was driven by water power. Property has been closed down since Mine and Development Company, 335 Mills Building, SanFrancisco, owners; Ansel M. Easton, president; J. J. Hachmann, sec-retary; Benj. Johnson, of Paloma, agent. Hamhy Mine (quartz). It is 4 miles southeast of Mokelumne Hill,on the Mokelumne Hill and Valley Springs road. Located on mainMother Lode belt, consists of 131 acres. The property was workedthrough a vertical shaft 300 feet deep, sunk in country rock. At adepth of 200 feet a crosscut was run 220 feet tu cut vein, and the veindrifted on 400 N. On 300-foot level vein was crosscut 200 feet fromshaft and drifted 160 N., and 125 S. Course of vein is N. 25° W., witha dip of 70° E., width of orebody developed being from 10 to 20, con-sisting of quartz stringers running through
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