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 26
... Creek , Sierra County . This report lacks confirma- tion , and the story is generally considered exaggerated if not apoсгу- phal . In September a nugget worth $ 6,000 was taken from the claim of Bunker & Co. , in the State of Oregon . A ...
... Creek , Sierra County . This report lacks confirma- tion , and the story is generally considered exaggerated if not apoсгу- phal . In September a nugget worth $ 6,000 was taken from the claim of Bunker & Co. , in the State of Oregon . A ...
الصفحة 49
... Creek , and Amador City , in Amador County ; the deepest development hav- ing been made at Sutter Creek , where , at the Amador mine , a shaft has been sunk , and levels opened to a depth of 1,300 feet . The entire length of locations ...
... Creek , and Amador City , in Amador County ; the deepest development hav- ing been made at Sutter Creek , where , at the Amador mine , a shaft has been sunk , and levels opened to a depth of 1,300 feet . The entire length of locations ...
الصفحة 54
... Creek , lying far to the east of Table Mountain . This tunnel , if completed , would have been about three miles in length , but after spend- ing $ 30,000 it was ascertained that an error had been made in the sur- veys , and the ...
... Creek , lying far to the east of Table Mountain . This tunnel , if completed , would have been about three miles in length , but after spend- ing $ 30,000 it was ascertained that an error had been made in the sur- veys , and the ...
الصفحة 55
... Creek , the nearest depression , and have been working on it ever since . After running an open cut two hundred and fifty feet , they commenced a tunnel , and had run one thousand three hundred and thirty - five feet up to November ...
... Creek , the nearest depression , and have been working on it ever since . After running an open cut two hundred and fifty feet , they commenced a tunnel , and had run one thousand three hundred and thirty - five feet up to November ...
الصفحة 59
... Creek ) ran between the town and the nearest ditch . These were finally surmounted by running a pipe , eleven inches in diameter and one mile in length , from the Phenix Water Company's reservoir across the ravine of Wood's Creek to a ...
... Creek ) ran between the town and the nearest ditch . These were finally surmounted by running a pipe , eleven inches in diameter and one mile in length , from the Phenix Water Company's reservoir across the ravine of Wood's Creek to a ...
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50 feet amalgam amount antimony arrastra assay average Bannack base bullion bed-rock bullion Calaveras County California Cañon carbonate cent chemical claim coal commenced company's contains copper cost County course Creek Cupellation December deposits depth developed district ditch drift drill east El Dorado County engine erected Eureka expense extracted feet deep feet in length feet long feet wide furnace galena gangue gold Gold Hill gravel ground Gulch Hill hundred hydraulic inches incline iron labor lead ledge limestone located lode metallurgy metals miles mill miners Mining Company months nearly Nevada opened operations ounces owners placer mines pounds present Professor prospecting quantity quartz quartzite rich River rock San Francisco silver slag slate smelting smelting-works stamps stopes sulphurets sunk supply surface Table Mountain tailings thick tion tons Total tunnel Tuolumne County tuyeres Valley vein width yield