Statistics of Mines and Mining in the States and Territories West of the Rocky Mountains: Being the ... Annual Report, 4. izdajaU.S. Government Printing Office, 1873 |
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Stran 9
... bullion product will be found in the appendix . The nature of the increase it exhibits is still more gratifying than its amount , since it shows clearly that the decline of production from superficial mining INTRODUCTION . 9.
... bullion product will be found in the appendix . The nature of the increase it exhibits is still more gratifying than its amount , since it shows clearly that the decline of production from superficial mining INTRODUCTION . 9.
Stran 14
... bullion for your district ( or mine ) for the year 1871 . The names , and brief notices , of the principal mines - quartz and placer - in your district . A list of the stamp - mills in your district , with number of stamps , & c . A ...
... bullion for your district ( or mine ) for the year 1871 . The names , and brief notices , of the principal mines - quartz and placer - in your district . A list of the stamp - mills in your district , with number of stamps , & c . A ...
Stran 20
... bullion has ensued , leading to heavy investments in min- ing properties on both home and foreign account , and to an unwonted activity in every department of this industry . The yield of the precious metals for the entire coast has ...
... bullion has ensued , leading to heavy investments in min- ing properties on both home and foreign account , and to an unwonted activity in every department of this industry . The yield of the precious metals for the entire coast has ...
Stran 21
... bullion product of the State ; and as several of them are already well advanced , with the prospect of being carried to an early completion , we may hope to soon enjoy the benefits of their co - operation in stimulating our mines to a ...
... bullion product of the State ; and as several of them are already well advanced , with the prospect of being carried to an early completion , we may hope to soon enjoy the benefits of their co - operation in stimulating our mines to a ...
Stran 22
... bullion so obtained never again found its way back to our markets , being exchanged for various articles of merchandise which interfered with the transactions of our own business community . It was soon discovered , however , that such ...
... bullion so obtained never again found its way back to our markets , being exchanged for various articles of merchandise which interfered with the transactions of our own business community . It was soon discovered , however , that such ...
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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 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 metal metallurgy miles mill miners Mining Company Montana 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