Calumet and Hecla Mining Company
The Calumet and Hecla Mining Company was a major copper-mining company based within Michigan's Copper Country. From 1869 until 1909, the company paid dividends totaling $110,550,000
The Calumet and Hecla Mining Company was a major copper-mining company based within Michigan's Copper Country. From 1869 until 1909, the company paid dividends totaling $110,550,000