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

First Page		Document Content
Date: 2015-12-15 12:28:47 Mining Economic geology Ore Copper extraction techniques Greenside Mine Copper mining in the United States		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 Add to Reading List Source URL: www.mindatnh.org Download Document from Source Website File Size: 706,23 KB Share Document on Facebook