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Trimountain Mining Company

 Organization

Found in 5 Collections and/or Records:

Copper Range Company Records

 Collection — Multiple Containers
Identifier: MS-080
Abstract The Copper Range Company (1899-1977) operated copper mines in Houghton County's southern communities and in Ontonagon County. The second largest mining company in the Copper Country (after Calumet & Hecla), the Copper Range Company was the only one to endure past the 1960s. In addition to mining, it owned and operated the Copper Range Railroad (1899-1973) and the Copper Range Motor Bus Company (1925-1955). Materials in the Copper Range Company Records document the history of the...
Dates: 1851 - 1990; Majority of material found within 1899 - 1970

Copper Range smelting operations data book and transcription

 Collection — sc_box: MS 6, Folder: 24
Identifier: MS-1002
Abstract

The data book, 1916-1917, containing smelting data of the Copper Range Mining Company. Also included is transcription and analysis (12 pages) of the data book completed by Karl Rundman.

Dates: 1916-1917, approximately 2019; Majority of material found within ( 1916-1917)

J. Robert Van Pelt Copper Range Company Research Collection

 Collection — Box: 1-17
Identifier: MS-028
Abstract Dr. John Robert ("Bob") Van Pelt was Michigan Tech's sixth president, serving the campus from 1956 to 1965. After he stepped down, Van Pelt began work on a history of the Copper Range Company (whose board he had joined in 1961). The manuscript was unfinished when the Copper Range Company was acquired by Louisiana Land and Exploration in 1977. The collection contains files related to Van Pelt's incomplete manuscript about the history of the Copper Range Company. The bulk of the material...
Dates: 1840s-1977

James Chynoweth Papers

 Collection — Box: 1
Identifier: MS-843
Abstract

Papers, 1899-1979, of James Chynoweth, an early developer of Michigan copper mining. Includes correspondence relating to his mining and business interests. Also includes a reminiscence from his granddaughter, Elizabeth Viola Boersma.

Dates: 1899-1979

W. J. Richards Notebook

 Collection — sc_box: MS 1, Folder: 10
Identifier: MS-112
Abstract

Notebook, 1906-1918, of W. J. Richards, a master mechanic at the Champion Copper Co. of Painesdale, Michigan. Photocopy of 6 ring binder with published materials including different tables of weights, strengths and calculations. Near end of notebook are tables of calculations for the Champion, Trimountain and Baltic mines.

Dates: 1906-1918

Additional filters:

Subject
Copper mines and mining -- Michigan -- Upper Peninsula 3
Correspondence 3
Painesdale (Mich.) 3
Copper mines and mining -- Michigan -- Painesdale 2
Notebooks 2
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