Silver and Gold: An Account of the Mining and Metallurgical Industries of the United States |
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النتائج 1-5 من 9
الصفحة 260
... . The result is as follows : From January 1 to December 1 : From Helena .. From Virginia City . $ 2,140,000 630,000 From Deer Lodge From Bannack Estimate for December : From 260 MINING STATISTICS WEST OF THE ROCKY MOUNTAINS .
... . The result is as follows : From January 1 to December 1 : From Helena .. From Virginia City . $ 2,140,000 630,000 From Deer Lodge From Bannack Estimate for December : From 260 MINING STATISTICS WEST OF THE ROCKY MOUNTAINS .
الصفحة 261
... Bannack Estimate for December : From Helena .. From Virginia City . From Deer Lodge .. From Bannack Total silver in refined bars , 1871 .. Base bullion ( silver and lead ) shipped by freight to Corinne , 50 tons , valued at $ 300 ...
... Bannack Estimate for December : From Helena .. From Virginia City . From Deer Lodge .. From Bannack Total silver in refined bars , 1871 .. Base bullion ( silver and lead ) shipped by freight to Corinne , 50 tons , valued at $ 300 ...
الصفحة 262
... Bannack and vicinity which will exceed the above yield . At Horse Prairie Gulch , twenty - eight miles southwest of Bannack , the Yearing Brothers are reported to employ between thirty and forty men in their hydraulic claims , and ...
... Bannack and vicinity which will exceed the above yield . At Horse Prairie Gulch , twenty - eight miles southwest of Bannack , the Yearing Brothers are reported to employ between thirty and forty men in their hydraulic claims , and ...
الصفحة 264
... Bannack . Dakota No. 5 , west . - Owned by a New York company . The top of the claim is stripped of surface material about 15 feet in width , and to a depth of about 25 feet . Ore seemed to be in pockets near the surface . At the ...
... Bannack . Dakota No. 5 , west . - Owned by a New York company . The top of the claim is stripped of surface material about 15 feet in width , and to a depth of about 25 feet . Ore seemed to be in pockets near the surface . At the ...
الصفحة 265
... Bannack , 500 ; population of Argenta , 400 ; wages of first - class miners , $ 4 to $ 5 ; wages of second - class miners , $ 3 ; wages of surface laborers , $ 3 ; cost of lumber , $ 50 to $ 100 per 1,000 ; cost of mining - timber ...
... Bannack , 500 ; population of Argenta , 400 ; wages of first - class miners , $ 4 to $ 5 ; wages of second - class miners , $ 3 ; wages of surface laborers , $ 3 ; cost of lumber , $ 50 to $ 100 per 1,000 ; cost of mining - timber ...
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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