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big rock chute mining

The year 1968 signaled the final death knell of the once illustrious copper mining industry in Michigan. By that point only the big, reliable mines owned by the big companies were still operatingsuch as the Quincy Mines 2 shaft, the Calumet Heclas Osceola Mine 13 , and Centennial 6. The Champion 4 had shut down in 1967.

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