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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. ...
The Tamarack, Osceola, Tamarack Junior & Kearsarge mines- The Tamarack Mining Company was incorporated in 1882 and is opened on the underlay of the Calumet conglomerate reef, (on a tract west of land held by Calumet and Hecla) and to some extent upon the Osceola amygdaloid as well, the latter being opened by means of crosscuts run east from the openings on the conglomerate. 5 shafts were sunk...