Gold and Silver: Comprising an Economic History of Mining in the United States, the Geographical and Geological Occurrence of the Precious Metals, with Their Mineralogical Associations, History and Description of Methods of Mining and Extraction of Values, and a Detailed Discussion of the Production of Gold and Silver in the World and the United StatesJ. Wiley & Sons, 1908 - 727 strani |
Iz vsebine knjige
Zadetki 1–5 od 100
Stran v
... Nevada , New Hampshire , New Jersey , New Mexico , New York , Ohio , Oklahoma , Oregon , Pennsylvania , Porto Rico , South Dakota , Tennessee , Texas , Utah , Vermont , the Virginias , Washington , Wisconsin , Wyoming . CHRONOLOGY OF ...
... Nevada , New Hampshire , New Jersey , New Mexico , New York , Ohio , Oklahoma , Oregon , Pennsylvania , Porto Rico , South Dakota , Tennessee , Texas , Utah , Vermont , the Virginias , Washington , Wisconsin , Wyoming . CHRONOLOGY OF ...
Stran vi
... Nevada , New Hampshire , New Jersey , New Mexico , New York , Oklahoma , Oregon , the Philippines , Penn- sylvania , Porto Rico , South Dakota , Tennessee , Texas , Utah , Ver- mont , the Virginias , Washington , Wisconsin , Wyoming ...
... Nevada , New Hampshire , New Jersey , New Mexico , New York , Oklahoma , Oregon , the Philippines , Penn- sylvania , Porto Rico , South Dakota , Tennessee , Texas , Utah , Ver- mont , the Virginias , Washington , Wisconsin , Wyoming ...
Stran vii
... Nevada : the Comstock mines ; 446 - Kinds of Tim- - - Timber- 448 CHAPTER VI . EXTRACTION OF VALUES . HISTORICAL SKETCH . METHODS OF EXTRACTION cesses . 470 496 Amalgamation . - Plate and Barrel Pro- 496 Milling . Reduction ...
... Nevada : the Comstock mines ; 446 - Kinds of Tim- - - Timber- 448 CHAPTER VI . EXTRACTION OF VALUES . HISTORICAL SKETCH . METHODS OF EXTRACTION cesses . 470 496 Amalgamation . - Plate and Barrel Pro- 496 Milling . Reduction ...
Stran ix
... Nevada facing 252 The Organ Mountains , New Mexico facing 254 Gold Mining Region of Eastern Oregon 258 Map of Porto Rico . . 261 Map of the Mercur Region , Utah 268 Bingham Cañon Region , Utah . 270 Snake River Gold Fields , Idaho 315 ...
... Nevada facing 252 The Organ Mountains , New Mexico facing 254 Gold Mining Region of Eastern Oregon 258 Map of Porto Rico . . 261 Map of the Mercur Region , Utah 268 Bingham Cañon Region , Utah . 270 Snake River Gold Fields , Idaho 315 ...
Stran 5
... Nevada , Utah , Arizona and New Mexico , thus developing them and opening up avenues of trade and sending out a stream of gold and silver , which increased the wealth and importance of the United States as a whole and placed it among ...
... Nevada , Utah , Arizona and New Mexico , thus developing them and opening up avenues of trade and sending out a stream of gold and silver , which increased the wealth and importance of the United States as a whole and placed it among ...
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Pogosti izrazi in povedi
Alaska amalgamation andesite argentiferous assay auriferous average bed-rock blende calcite California Carolina cent chalcopyrite chlorination Colorado Comstock lode considerable copper country-rock County Cripple Creek cyanide cyanide process Deep Mines deposits depth diorite discovered discovery district dollars drift employed extraction feet free-gold furnace galena gangue gold and silver gold production gold-bearing granite gravel gray copper Gulch Hill hydraulic Ibid Idaho igneous rocks inches iron Jour lead limestone located mercury method Mexico mill Mineral Industry Mineral Resources Mines and Minerals Montana Mountain Nevada North North Carolina occur operations ore-bodies ounces output oxide placer mines placers porphyry precious metals Press probably production of gold pyrite quantities quartz quartz-veins Rept River roasting rocks schists shaft silver production Silver-bearing slate sluices smelting solution South stamps stope sulphides sulphurets surface TABLE tellurides tellurium tetrahedrite timber tion tons Total tunnel usually Utah veins width yield zinc