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