Silver and Gold: an Account of the Mining and Metallurgical Industry of the United States: With Reference Chiefly to the Precious MetalsJ.B. Ford, 1873 - 566 من الصفحات |
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الصفحة 15
... County , and Mr. E. N. Strout , of Placerville , El Dorado County . Condition of the mining interest . - The business of mining for the precious metals has for the past two years made very marked advances through- out all parts of the ...
... County , and Mr. E. N. Strout , of Placerville , El Dorado County . Condition of the mining interest . - The business of mining for the precious metals has for the past two years made very marked advances through- out all parts of the ...
الصفحة 20
... El Dorado County the California Water Company are constructing a system of ditches and reservoirs which will furnish from 30,000 to 45,000 inches of water , miners ' measurement , and open a large section of gravel country hitherto ...
... El Dorado County the California Water Company are constructing a system of ditches and reservoirs which will furnish from 30,000 to 45,000 inches of water , miners ' measurement , and open a large section of gravel country hitherto ...
الصفحة 24
... El Dorado County , at an elevation of from three to five thousand feet above the sea . These lakes are fed by streams from mountain peaks and gorges of perpetual snow , and are capable of furnishing a constant stream of 40,000 inches of ...
... El Dorado County , at an elevation of from three to five thousand feet above the sea . These lakes are fed by streams from mountain peaks and gorges of perpetual snow , and are capable of furnishing a constant stream of 40,000 inches of ...
الصفحة 26
... El Dorado County . The formation , here covering a large portion of two entire townships traversed by the company's canal , consists of a soft , easily disintegrated slate , permeated by innumerable small seams of quartz . Many of these ...
... El Dorado County . The formation , here covering a large portion of two entire townships traversed by the company's canal , consists of a soft , easily disintegrated slate , permeated by innumerable small seams of quartz . Many of these ...
الصفحة 27
... El Dorado County : One other point which may be noted as being of some little interest to the miners , as a matter of curiosity if nothing more , although it is no new thing , is the occasional finding of diamonds in the auriferous ...
... El Dorado County : One other point which may be noted as being of some little interest to the miners , as a matter of curiosity if nothing more , although it is no new thing , is the occasional finding of diamonds in the auriferous ...
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