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Box 579

 Container

Contains 2 Results:

Calumet and Hecla Mining Companies Collection

 Collection — Multiple Containers
Identifier: MS-002
Abstract Collection, 1855-1973, of the Calumet and Hecla Mining Companies of Michigan's Keweenaw Peninsula. Includes corporate records, administrative correspondence, financial and legal documentation, employment and medical records, property and miners’ housing records, as well as operational records from the company’s underground, surface, stamp mill, reclamation, railroad, and smelting operations. Also includes records of numerous subsidiary and related companies operating in the Michigan copper...
Dates: 1855-1973

Opening Sheets - C&H Conglomerate, 1911-1937

 File — Box: 579
Identifier: MS-002.009.001.003
Collection Scope and Content Summary From the Collection: Collection, 1855-1973, of the Calumet and Hecla Mining Companies of Michigan's Keweenaw Peninsula. Includes corporate records, administrative correspondence, financial and legal documentation, employment and medical records, property and miners’ housing records, as well as operational records from the company’s underground, surface, stamp mill, reclamation, railroad, and smelting operations. Also includes records of numerous subsidiary and related companies operating in the Michigan copper...
Dates: 1911-1937