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Ahmeek Mill Fire Protection System Plans |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Buildings, |
Calumet & Hecla Consolidated Copper Company, Ahmeek Mill Fire Protection System Plans. Scanned: August 11, 2014 |
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Quincy Regrinding Plant- Sub Station |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Quincy Regrinding Plant- Sub Station, Floor and Transformer Piers Scanned: November 26, 2014 |
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Quincy Regrinding Plant- Wiring Diagram |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Quincy Regrinding Plant- Wiring Diagram Scanned: November 26, 2014 |
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Outline- Transformer Outdoor |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Quincy Reg. Plant Substation- Transformers Scanned: November 26, 2014 |
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Calumet & Hecla Mining Company - Hecla Sand Wheel House Drawings |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Calumet & Hecla Mining Company - Hecla Sand Wheel House Elevations and Plan. Scanned: September 9, 2014 |
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Calumet & Hecla Mining Company - Hecla Mill Extension Drawings |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Calumet & Hecla Mining Company Hecla Mill Extension. Shows sections of Mill and Annex. Scanned: September 9, 2014 |
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Calumet & Hecla Mining Company - Stamp Mill Drawings |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Calumet & Hecla Mining Company - Stamp Mill Boiler House Locker Room in Old Filtering Plant. Scanned: September 9, 2014 |
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Blue Print - Calumet and Hecla Coal Dock |
Natural Resources, Mines and Mineral Resources, Manufacturing Process, Mills and Millwork, |
Calumet and Hecla Mining Company No. 2 coal dock; the sub-station floor is shown. Scanned: July 11, 2013 |
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Calumet and Hecla Mining Company Drawing |
Buildings, Locomotion, |
Calumet and Hecla Mining Company Number Two Coal Dock, plan of tracks and buildings. Scanned: July 10, 2013 |
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Calumet and Hecla Mining Co. Drawing |
Natural Resources, Mines and Mineral Resources, Manufacturing Process, Mills and Millwork, Engineering |
Calumet and Hecla Consolidated Copper Company 13200 Volt - Electric Distribution System. [This blue print shows how power was distributed from the turbo generators housed at the Lake Linden Power Plant to several different C&H buildings. Such buildings include: the Mutual Pump Station, the Tamarack Reclamation Sub-station, the coal dock sub-station, water works buildings, Cliff and Phoenix.] Scanned: July 11, 2013 |