Tamarack mine is a copper mine located in Osceola Township, Houghton County, north of Calumet, Michigan. The first shaft was started in 1882 and five shafts were eventually mined.Stevens, Horace. "The Copper Handbook" 1900. Page 181--190 Google books In 1966 seven-year-old Ruth Ann Miller fell into shaft #4 and a rescue was impossible.
See also Copper mining in Michigan List of Copper Country mines
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