| Thumbnail | Subject(s) | Description | Add to Shoebox |
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Calumet and Hecla Boiler House |
Manufacturing Process, Mills and Millwork, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company Stamp Mill Boiler House; proposed coal preparation plant. Scanned: June 8, 2012 |
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Map- Calumet and Hecla Reclamation |
Industries, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company; Calumet Reclamation. Map Showing Coordinate System and Stations for Locating Dredge. Scanned: June 8, 2012 |
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Engineering Drawing- Hecla Mill |
Industries, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company, Hecla Mill- Heads 1 to 6 flotation coundations, bents 1 to 8. Scanned: July 30, 2013 |
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Coal Crushing Plant |
Industries, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company coal crushing plant [Company blue print]. Scanned: July 30, 2013 |
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Calumet and Hecla Stamp Mills |
Industries, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company Stamp Mills; Fire Protection System. Scanned: June 8, 2012 |
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Steam Stamps General Arrangement |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Calumet and Hecla Mining Co- Steam Stamps General Arrangement Scanned: December 2, 2014 |
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Quincy Regrinding Plant |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings |
Map plans of the Quincy Regrinding Plant- Plan and Longitudinal Sections Scanned: November 26, 2014 |
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Calumet and Hecla Mills |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Historic Sites, Historic Mines |
Surface Map of C & H Mills. [Includes sketches of Torch Lake, the Hecla Sand Bank, a leaching plant, regrinding plants and other mine related facilites.] Scanned: June 1, 2012 |
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Calumet and Hecla Mills and Houses |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Historic Sites, Historic Mines |
Surface Map of C & H Mills. [Includes sketches of Torch Lake, the Hecla Sand Bank, a leaching plant, regrinding plants and other mine related facilites.] Scanned: July 30, 2013 |
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Osceola Township Map |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, Metal Trade, Copper Industry and Trade, Copper Mines and Mining |
[Map of Osceola Township and the mines that own plots of land within this township.] Scanned: June 5, 2012 |