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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


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


Calumet and Hecla - Machine Location Plan

Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Buildings, Engineering Calumet and Hecla Consolidated Copper Company. Mechanical equipment - pump house and old boiler house. Ahmeek Mill in Hubbell, Michigan. Drawings made by Stone and Webster Engineering Corporation.

Scanned: August 12, 2014


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


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


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


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


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


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