
Calumet and Hecla Stamp Mill |
Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Stamp Mills, Head Foundation. Calumet Mill Heads No. 6, 7, 8, 9, 10 and 11.
Scanned: June 8, 2012 |
|

Blue Print- Calumet and Hecla Electric Power Plant |
Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company Electric Power Plant at Stamp Mills. Tunnel Details.
Scanned: June 8, 2012 |
|

Blue Print- Calumet and Hecla Electric Power Plant |
Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company Electric Power Plant at Stamp Mills; Engine House Details in Various Scales.
Scanned: June 8, 2012 |
|

Blue Print- Calumet and Hecla Electric Power Plant |
Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company Electric Power Plant at Stamp Mills; Basement drains.
Scanned: June 8, 2012 |
|

Blue Print- Calumet and Hecla Electric Power Plant |
Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company Electric Power Plant at Stamp Mills; arrangement of piping.
Scanned: June 8, 2012 |
|

Blue Print- Calumet and Hecla Electric Power Plant |
Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Mining Company Electric Power Plant at Stamp Mills; General elevations of engine house.
Scanned: June 8, 2012 |
|