Skip to main content

Box 580

 Container

Contains 19 Results:

Drill Records - Various Mines, 1924

 File — Box: 580, Folder: 9
Identifier: MS-002.009.001.005
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: 1924

Rock Drill Testing, 1952-1960

 File — Box: 580, Folder: 10
Identifier: MS-002.009.001.005
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: 1952-1960

Rock Drill Maintenance Reports, Drill Steel Reports, Drill Bit Reports, Explosive Reports, 1960-1965

 File — Box: 580, Folder: 11
Identifier: MS-002.009.001.005
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: 1960-1965

Drill Steel Test Reports, 1953-1968

 File — Box: 580, Folder: 12
Identifier: MS-002.009.001.005
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: 1953-1968

Estimated Daily Hoist, 1952-1960

 File — Box: 580, Folder: 5
Identifier: MS-002.009.002
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: 1952-1960

Daily Hoist Data for Various Shafts, 1962-1963

 File — Box: 580, Folder: 6
Identifier: MS-002.009.002
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: 1962-1963

Daily Hoist Data for Various Shafts, 1965-1967

 File — Box: 580, Folder: 6
Identifier: MS-002.009.002
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: 1965-1967

Daily Hoist Data for Various Shafts, 1962

 File — Box: 580, Folder: 7
Identifier: MS-002.009.002
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: 1962

Hoisting Records, 1965-1967

 File — Box: 580, Folder: 8
Identifier: MS-002.009.002
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: 1965-1967