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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


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


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


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


Proposed Turbine Building

Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Proposed Turbine Building

Scanned: November 26, 2014


Quincy Mill Sands

Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, Quincy Mining Co. Hancock, MI- Quincy Mill Sands

Scanned: November 26, 2014


Quincy Reclamation Plant

Historic Sites, Historic Mines, Manufacturing Process, Quincy Reclamation Plant- Torch Lake

Scanned: November 26, 2014


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


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


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