
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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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