Silver and Gold: An Account of the Mining and Metallurgical Industries of the United States |
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Halaman 28
... July , and these gentlemen spent nearly all the remainder of the year in working out the geology and mapping the detailed topography between the Yuba and American Rivers . In the mean time Mr. W. A. Goodyear commenced on the detailed ...
... July , and these gentlemen spent nearly all the remainder of the year in working out the geology and mapping the detailed topography between the Yuba and American Rivers . In the mean time Mr. W. A. Goodyear commenced on the detailed ...
Halaman 30
... July August Total 4. 250 1. 140 0. 190 3.500 1.500 4.320 2. 132 Sprinkle . 1.214 0.981 2.874 0.475 0.250 0.690 0.300 1.450 0.210 1. 150 1.841 Sprinkle . 0.203 1.037 2. 491 0.590 0.000 0.000 0.000 0. C01 0.310 0.010 0.033 0.350 0.098 ...
... July August Total 4. 250 1. 140 0. 190 3.500 1.500 4.320 2. 132 Sprinkle . 1.214 0.981 2.874 0.475 0.250 0.690 0.300 1.450 0.210 1. 150 1.841 Sprinkle . 0.203 1.037 2. 491 0.590 0.000 0.000 0.000 0. C01 0.310 0.010 0.033 0.350 0.098 ...
Halaman 65
... July 4 , 1850. Nos . 1 to 7 of the Herald were printed on foolscap ; single copies sold at fifty cents . The state of society during the flush times - from 1849 to 1853 - was of the worst description , and crime and lawlessness were ...
... July 4 , 1850. Nos . 1 to 7 of the Herald were printed on foolscap ; single copies sold at fifty cents . The state of society during the flush times - from 1849 to 1853 - was of the worst description , and crime and lawlessness were ...
Halaman 84
... July by an intelligent correspondent of the San Francisco Bulletin , who gave the following account of its appear- ance at that time : Through the kindness of General Colton , vice president of the board of directors , and Mr ...
... July by an intelligent correspondent of the San Francisco Bulletin , who gave the following account of its appear- ance at that time : Through the kindness of General Colton , vice president of the board of directors , and Mr ...
Halaman 90
... July 20 , says in regard to them : The Kentuck Company , under the superintendence of M. A. Lewis , controlled by McDonald & Whitney , of San Francisco , who have recently bought the mine , started up the work of sinking , this week ...
... July 20 , says in regard to them : The Kentuck Company , under the superintendence of M. A. Lewis , controlled by McDonald & Whitney , of San Francisco , who have recently bought the mine , started up the work of sinking , this week ...
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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