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without lifting a finger to do any gold mining of required no water for the initial stages of gold processing. were chunks of gold bearing quartz,
Get Priceabout three quarters of an hour before the whole is thoroughly ground, a sufficient quantity of quicksilver is added; but the amount is regulated by the richness of the quartz in process of grinding. if, for instance, the five hundred pounds of tailings placed in the rastra is supposed to contain about three quarters of an ounce of gold, about
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Get Pricethe california gold rush (1848–1855), when gold was discovered by james w. marshall at sutter's mill, in coloma, california.
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