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Calumet & Hecla Mine, Calumet, Calumet Township, Houghton Co., Michigan, USA
An underground copper mine consisting of 96 levels with 16 incline shafts and one vertical shaft (Red Jacket). Formed from the consolidation of the Calumet, Hecla, Portland, and Scott Mining Cos. in 1871. In 1923 the Allouez, Ahmeek, Centennial, Calumet and Hecla, and Osceola Mining Cos. merged to form the Calumet and Hecla Consolidated Copper Mining Co. All operations ceased in 1968 following a labor strike. Excellent mineral collecting, especially at #9, 10, and 12.
Mineral List
Mineral list contains entries from the region specified including sub-localities36 entries listed. 22 valid minerals.
Localities in this Region
USA
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References
Rocks & Min.:58:109 & 64:150.
Kilpela, T, 1995, The Hard Rock Mining Era in the Copper Country. 89 pp.
Butler, B.S., and Burbank, W.S., 1929, The Copper Deposits of Michigan. U.S. Geological Survey. Professional Paper 144. 238 pp.
Kilpela, T, 1995, The Hard Rock Mining Era in the Copper Country. 89 pp.
Butler, B.S., and Burbank, W.S., 1929, The Copper Deposits of Michigan. U.S. Geological Survey. Professional Paper 144. 238 pp.
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