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 24
... company . " They have , " says the Herald , " located , by right of discovery , obtained by purchase and grant , and taken possession of twenty - four lakes , varying in extent from one hundred to two thousand acres each , situated in ...
... company . " They have , " says the Herald , " located , by right of discovery , obtained by purchase and grant , and taken possession of twenty - four lakes , varying in extent from one hundred to two thousand acres each , situated in ...
الصفحة 26
... Company , a considerable extent of them having been found along the line of their new works on the divide be ... company's canal , consists of a soft , easily disintegrated slate , permeated by innumerable small seams of quartz ...
... Company , a considerable extent of them having been found along the line of their new works on the divide be ... company's canal , consists of a soft , easily disintegrated slate , permeated by innumerable small seams of quartz ...
الصفحة 42
... Company's ground , Nevada County ; the American Company's ground , North San Juan ; Nevada County , Oregon City , Butte County ; the Taeff and Franklin ground , Dutch Flat , Placer County , and in many other localities in perpendicular ...
... Company's ground , Nevada County ; the American Company's ground , North San Juan ; Nevada County , Oregon City , Butte County ; the Taeff and Franklin ground , Dutch Flat , Placer County , and in many other localities in perpendicular ...
الصفحة 50
... Company's mine at Angel's Camp , both of which , at lowest levels - 400 to 500 feet - have opened rich and extensive zones , is exerting a strong beneficial influence on quartz mining , which is already being felt in the investment of ...
... Company's mine at Angel's Camp , both of which , at lowest levels - 400 to 500 feet - have opened rich and extensive zones , is exerting a strong beneficial influence on quartz mining , which is already being felt in the investment of ...
الصفحة 53
... Company , " which is one of many having like objects . This company own between four and five thousand feet frontage on the Tuolumne River , near the town of La Grange , Stanislaus County , formerly known as French Bar , their ground ...
... Company , " which is one of many having like objects . This company own between four and five thousand feet frontage on the Tuolumne River , near the town of La Grange , Stanislaus County , formerly known as French Bar , their ground ...
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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