Calumet & Hecla Mining Company Smelter Correspondence, 1899-1913.

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Calumet & Hecla Mining Company Smelter Correspondence, 1899-1913.

http://www.worldcat.org/oclc/711883890

Correspondence, 1899-1913, consisting of exchanges between James Cooper, the superintendent of the Calumet & Hecla Mining Company's smelter in Lake Linden, Michigan and H.Y. Bassett, a Calumet & Hecla Mining Company executive from the East Coast offices. The letters, including reports, address metallurgical issues as well as the results of comparative testing of Michigan copper versus copper from other regions as used by consumers of copper.

0.18 cubic feet; 1/2 manuscript box (letter size)

Michigan Technological University, J.R. Van Pelt & Opie Library; Michigan Tech

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SNAC Resource ID: 8078427

Michigan Technological University, J.R. Van Pelt & Opie Library; Michigan Tech

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Calumet and Hecla Mining Company

http://n2t.net/ark:/99166/w6x10xtg (corporateBody)

The Calumet and Hecla Consolidated Copper Company was the most successful corporation to have mined native copper in 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 an...