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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. Drawing of 13200 Volt Transmission Line for Mine. Scanned: July 11, 2013 |
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Ahmeek Mining Company Drawings |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Human Settlements, Cities and Towns, |
Ahmeek Mining Company, Ahmeek #3 & 4 Dry, Plan & Elevations. [Architextural drawings for Ahmeek Mining Company dry house.] Scanned: March 1, 2013 |
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Ahmeek Mining Company Drawing |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Buildings, |
Ahmeek Mining Company, Ahmeek No. 3 and 4, Air Pipe Line and Tunnel Sheave Stand Foundations. Approved October 19, 1912. Scanned: August 7, 2012 |
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Quincy Company Plan Drawing |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Engineering, |
Sketch of Skip Gate and Chute. Scanned: July 8, 2013 |
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Proposed Turbine Building |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Proposed Turbine Building Scanned: November 26, 2014 |
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Quincy Mill Sands |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, |
Quincy Mining Co. Hancock, MI- Quincy Mill Sands Scanned: November 26, 2014 |
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Quincy Reclamation Plant |
Historic Sites, Historic Mines, Manufacturing Process, |
Quincy Reclamation Plant- Torch Lake Scanned: November 26, 2014 |
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Quincy Mill Sands- Sections |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, |
Quincy Mining Co. Hancock, Mich.- Quincy Mill Sands Sections Scanned: November 26, 2014 |
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Quincy Mill Sands- Copper Content |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, Metal Trade, Copper Industry and Trade, Copper Mines and Mining |
Quincy Mining Co. Hancock, Mich.- Quincy Mill Sands Copper Content Scanned: November 26, 2014 |
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Quincy Mill Plat |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, Metal Trade, Copper Industry and Trade, Copper Mines and Mining |
Quincy Mill Plat Scanned: November 26, 2014 |