Calumet and Hecla Consolidated Copper Company
Variant namesBiographical notes:
The Calumet and Hecla Consolidated Copper Company, which traces its founding to 1864, was the most successful corporation to have mined native copper on Michigan's Upper Peninsula. Through nearly a century of mining activity, the company produced in excess of 4.5 billion pounds of refined copper and issued over $200 million in shareholder dividends. Unlike many of its competitors along the Keweenaw Peninsula, Calumet and Hecla successfully expanded its operations over several separate mineral bodies, developed capital-intensive ancillary industrial facilities, explored diversified non-mining enterprises, and remained a significant mining corporation at the national and international levels well past the district's most productive era (from "Preserving Copper Country's Mining Records, http://www.archives.gov/nhprc/annotation/march-98/copper-country.html, accessed Feb. 2010).
From the description of Calumet and Hecla Consolidated Copper Company Blueprint Collection, Circa 1922-Circa 1967. (Michigan Technological University). WorldCat record id: 703895289
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Subjects:
- Mining machinery
Occupations:
Places:
- Calumet (Mich.) (as recorded)
