Red Metal: The Calumet and Hecla Story |
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Contents
The Copper Country in Civil War Days | 1 |
Early History of the District | 12 |
Discovery of the Calumet Conglomerate Lode | 28 |
Copyright | |
13 other sections not shown
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Common terms and phrases
Agassiz Ahmeek amount amygdaloid average called Calumet and Hecla Calumet conglomerate capacity cent complete concentrating consolidation continued contract copper cost depth directors discovery district drilling early effect efficient employees engineer equipment exploration extended Federation feet finally five four further hand Hecla Mining Hulbert hundred Huron important increased industry interest Kearsarge known labor Lake Superior land later less lode machine March mass material means metal methods Michigan miles mill mineral Mining Company month necessary opened operation organized original Osceola period plant possible pound copper pounds practice present production profit purchase record recovery rich rock sand shaft shares Shaw smelter smelting stamp stamp mill stockholders stoping strike successful surface TABLE tailings taken territory thousand tion tons units values vein World