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Box 24

 Container

Contains 77 Results:

Leaching Plant - Effluent Solution Pipes

 File — Box: 24, Folder: 63
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Leaching Plant - V Notch Meters

 File — Box: 24, Folder: 64
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Leaching Plant - V Notch Meters - Recording Disks

 File — Box: 24, Folder: 65
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Leaching Plant - Oxidizing Towers

 File — Box: 24, Folder: 66
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Leaching Plant - Stills

 File — Box: 24, Folder: 67
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Leaching Plant - American Filter

 File — Box: 24, Folder: 68
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Flotation Plant - 40' Dorr Thickeners

 File — Box: 24, Folder: 69
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Flotation Plant - Dorrco Pumps

 File — Box: 24, Folder: 70
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Flotation Plant - Mineral Separation Machines

 File — Box: 24, Folder: 71
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967

Flotation Plant - Mineral Separation Machines

 File — Box: 24, Folder: 72
Identifier: MS-003.004.001
Collection Scope and Content Summary From the Collection: Photograph collection, 1892-1967, of the Calumet and Hecla Mining Company. Images document all aspects of mining company activity: rocks, drilling and blasting, timbering, tramming, rockhouses, milling, smelting, electrolytic, dredge, leaching, docks and shipping, engines and compressors, pumps, surface shops, and power plants. Also includes photographs from more than twenty Calumet and Hecla companies, including the mines (Calumet and Hecla, Ahmeek, Allouez, Centennial, Isle Royale,...
Dates: 1892-1967