The Journal of the Senate During the ... Session of the Legislature of the State of California, Volumen5The Legislature, 1923 |
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Página 14
... depth and extent of the workings the proper ventilation of these lower levels had already become a serious problem . Intermediate levels had to be shut off by doors , and the circulation of air depended on unim- peded entry at one shaft ...
... depth and extent of the workings the proper ventilation of these lower levels had already become a serious problem . Intermediate levels had to be shut off by doors , and the circulation of air depended on unim- peded entry at one shaft ...
Página 15
... depth of 5500 feet . Milling was resumed the middle of August . At present , January 8 , they are milling at the rate of about 150 tons a day or 4000 tons a month of ore averaging about $ 9 a ton , according to Supt . Albion S. Howe ...
... depth of 5500 feet . Milling was resumed the middle of August . At present , January 8 , they are milling at the rate of about 150 tons a day or 4000 tons a month of ore averaging about $ 9 a ton , according to Supt . Albion S. Howe ...
Página 16
... depth of 3030 feet on the incline and the lowest level was at 2970 feet . Off the Mother Lode in this county there was little actual production of gold noted in 1922 except at the Elephant hydraulic mine at Volcano , two or three ...
... depth of 3030 feet on the incline and the lowest level was at 2970 feet . Off the Mother Lode in this county there was little actual production of gold noted in 1922 except at the Elephant hydraulic mine at Volcano , two or three ...
Página 17
... depth and the disadvantage of working through a winze . When the winze has been converted to a working shaft , costs of working this ore will be materially reduced , it is hoped . Meanwhile , the joint operation of the two properties is ...
... depth and the disadvantage of working through a winze . When the winze has been converted to a working shaft , costs of working this ore will be materially reduced , it is hoped . Meanwhile , the joint operation of the two properties is ...
Página 18
... depth . The Lam- phyre Mine , a mile south of Mokelumne Hill is reported in process of being unwatered . At the La Fortuna ( Lucas ) Mine , on Mokelumne River , a half mile upstream from the bridge on the Jackson - Mokelumne Hill road ...
... depth . The Lam- phyre Mine , a mile south of Mokelumne Hill is reported in process of being unwatered . At the La Fortuna ( Lucas ) Mine , on Mokelumne River , a half mile upstream from the bridge on the Jackson - Mokelumne Hill road ...
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14 Torrance acres Angeles Annual Report application Bulletin cent Charles G claim clay coal Copper County Maps crosscut deposits district drilling Fe Springs 11 Fe Springs Santa feet filed Geological gold Huntington Beach Kern County land lessee lessor limestone located lode Long Beach magnesite miles mill Mineral Production Mineral Resources Mineralogist Mines and Mineral Mining Bureau Mining Company Mining in California oil and gas Oil Fields oil or gas Oil Syn operations owner Pending Petroleum Petroleum Corp Petroleum Midway placer placer mining Production of California quartz Register of Mines royalty Sacramento San Francisco Santa Fe Springs Serial shaft shale Shasta Shasta County sheet__ silver Springs Santa Fe Standard Oil Standard Oil Co supra Tabulated sheet tion tons Torrance 14 Torrance C. C. M. O. Trinity County Tulare County tunnel Tuolumne County Union Oil Co United vein width Yale