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 |
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Zadetki 1–5 od 99
Stran v
... California . - The Northwest : Alaska . - The Northern Country : The Lake Superior Region ( the North Shore , Canada , and the South Shore , the United States ) . RECENT HISTORY BY STATES AND TERRITORIES Alabama , Alaska , Arizona ...
... California . - The Northwest : Alaska . - The Northern Country : The Lake Superior Region ( the North Shore , Canada , and the South Shore , the United States ) . RECENT HISTORY BY STATES AND TERRITORIES Alabama , Alaska , Arizona ...
Stran vi
... California , Canada , the Carolina Gold Belt , Colorado , Connecticut , Georgia , Idaho , Isthmus of Panama , Kansas , Kentucky , Maine , Maryland , Massachusetts , Michigan , Minnesota , Missouri , Montana , Nevada , New Hampshire ...
... California , Canada , the Carolina Gold Belt , Colorado , Connecticut , Georgia , Idaho , Isthmus of Panama , Kansas , Kentucky , Maine , Maryland , Massachusetts , Michigan , Minnesota , Missouri , Montana , Nevada , New Hampshire ...
Stran ix
... California 247 Tonopah , 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 ...
... California 247 Tonopah , 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 ...
Stran 2
... California and Australia soon followed , how- ever , and the stream of gold soon reached and passed the high mark previously attained , with a consequent still further expansion of trade and commerce . Wherever the prospector leads ...
... California and Australia soon followed , how- ever , and the stream of gold soon reached and passed the high mark previously attained , with a consequent still further expansion of trade and commerce . Wherever the prospector leads ...
Stran 3
... California as a result of the gold excitement , there were many undesirable individuals , many , in fact , who were wanted for misdemeanors in the States and other lands . It is not strange then that lawlessness , crime , and a ...
... California as a result of the gold excitement , there were many undesirable individuals , many , in fact , who were wanted for misdemeanors in the States and other lands . It is not strange then that lawlessness , crime , and a ...
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Alaska amalgamation andesite argentiferous assay auriferous average bed-rock blende bornite calcite California Carolina cent chalcopyrite chloride chlorination Colorado Comstock lode concentration 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 gneiss gold and silver gold production Gold-bearing granite gravel gray copper Gulch Hill hydraulic Ibid Idaho inches iron Jour lead limestone located mercury method Mexico mill Mineral Industry Mineral Resources Mines and Minerals Montana Mountain Nevada North occur operations ore-bodies ounces output oxide placer mines placers porphyry precious metals Press probably production of gold pyrite pyrrhotite quantities quartz quartz-veins quartzites Rept rhyolite River rocks schists shaft siliceous silver production Silver-bearing slate sluices smelting solution South stamps stope sulphides sulphurets surface TABLE tellurides tellurium tetrahedrite timber tion tons Total tunnel Utah yield zinc