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Lead Mining In United States

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0silver mining in the united states began on a major scale with the discovery of the comstock lode in nevada in 1858. the industry suffered greatly from the demonetization of silver in 1873 by the coinage act of 1873 known pejoratively as the crime of 73 but silver mining continues today.. united states mines produced 1170 tons of silver in 2014 17 of the silver it used. 63 of..

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