Silver and Gold: An Account of the Mining and Metallurgical Industries of the United States |
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Halaman 15
... rich district seems only to point to another still further on in the distant interior . Stimulated by the aid of modern enterprise , silver - mining is being quickened into a new life in our sister republic of Mexico on the south ...
... rich district seems only to point to another still further on in the distant interior . Stimulated by the aid of modern enterprise , silver - mining is being quickened into a new life in our sister republic of Mexico on the south ...
Halaman 26
... rich in free gold , and having become thoroughly decomposed through chemical and elemental action , the metal has been liberated from its matrix , and they , together with the inclosing slates , can now be readily torn down and washed ...
... rich in free gold , and having become thoroughly decomposed through chemical and elemental action , the metal has been liberated from its matrix , and they , together with the inclosing slates , can now be readily torn down and washed ...
Halaman 47
... rich and extensive copper belt , of which the town of Copperopolis is the central point ; the Mother lode of California , one of the most thoroughly developed veins of gold - bearing quartz in the world ; and a system of veins running ...
... rich and extensive copper belt , of which the town of Copperopolis is the central point ; the Mother lode of California , one of the most thoroughly developed veins of gold - bearing quartz in the world ; and a system of veins running ...
Halaman 52
... rich in gold . The distinctive tabular appearance of the mountain can be traced from Murphy's , in Calaveras County , where it has an altitude above sea - level of about 3,000 feet , to Knight's Ferry , Stanislaus County , where it is ...
... rich in gold . The distinctive tabular appearance of the mountain can be traced from Murphy's , in Calaveras County , where it has an altitude above sea - level of about 3,000 feet , to Knight's Ferry , Stanislaus County , where it is ...
Halaman 57
... rich in gold . The store was built on ground that had not been mined ; it is proving so rich now that a mining hole will soon take the place of the building . Pieces containing from one to three hundred dollars each have been taken out ...
... rich in gold . The store was built on ground that had not been mined ; it is proving so rich now that a mining hole will soon take the place of the building . Pieces containing from one to three hundred dollars each have been taken out ...
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Istilah dan frasa umum
50 feet amalgam amount antimony arrastra assay average Bannack base bullion bed-rock bullion Calaveras County California CaƱon 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