Browse Subjects

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Experimental Radio Station

Engineering, Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade Amateur Radio Station WSYX. [Image shows old radio station equipment in a small room.]

Scanned: June 13, 2013


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


Spitzbergen - Arctic Coal Company

Natural Resources, Mines and Mineral Resources, Engineering, Historic Sites, Historic Mines Spitzbergen. 1909. Advent Bay. A ropeway tower. Young Stamigan [?] in bash [?] [An aerial tramway tower on a hill side with two tram cars suspended on wire rope].

Scanned: March 11, 2008