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Box 31

 Container

Contains 2 Results:

Federal Income Tax Returns for White Pine Copper Co., 1913-1929

 File — Box: 31, Folder: 1
Identifier: MS-002.008.001.023
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: 1913-1929

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