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 Date: 2015-12-15 12:28:47Mining Economic geology Ore Copper extraction techniques Greenside Mine Copper mining in the United States |
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| First Page | Document Content | |
|---|---|---|
Date: 2015-12-15 12:28:47Mining Economic geology Ore Copper extraction techniques Greenside Mine Copper mining in the United States |
Add to Reading List |
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 Wa