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 Date: 2012-12-21 19:34:48United States Copper mining in the United States Silver mining in the United States Nevada Silver mining Geography of the United States |
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1923 State of the State Address | The Story of Ore Hill Zinc-Lead Mine, Warren, Grafton County, NH By Anna Wilken December 2014 Through the 80 years the mine has been worked it has had different names: The Copper Mine, The Warren Silver-Lead Mine, The WaDocID: 1r8UA - View Document |
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| October 31, 2011 John Seelmeyer Northern Nevada Business Weekly Exploration successes, better efficiencies further boost mining Continued high prices for gold and silver are only part of the good news for the mining indDocID: 19CvE - View Document |
| East Central IdahoDocID: 18Itq - View Document |