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The Lake Superior Mine Fatalities (This project is intended to hold profiles of all the mining deaths that occurred in the Lake Superior District.) The Lake Mines 3 districts are: Portage Lake District Keweenaw Point District Ontonagon District Including now the Marquette Iron Range Mines . The underground copper mines were a treacherous place, where danger lurked at every turn. ...
History of the Copper Range Consolidated Company- The Copper Range Company (1899-1977) operated copper mines in Houghton County's South Range and in Ontonagon County. The second largest mining company in the Copper Country (after Calumet & Hecla), the Copper Range Company was the only one to survive the 1960s. In addition to mining, it owned and operated the Copper Range Railroad (1899-1973) an...