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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