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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 |