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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


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


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


Hecla Stamp Mill

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade Hecla Stamp Mill. [Image shows Calumet & Hecla Mining Company's Hecla Mill.

Scanned: September 10, 2014


Calumet & Hecla Mining Company - Hecla Mill Machinery Drawings

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Calumet & Hecla Mining Company Hecla Mill, heads 1 to 6 - flotation 25 feet 3 tray dorr thickeners - details.

Scanned: September 9, 2014


Quincy Machine Shop Plan

Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Industries, Engineering "At the Quincy Mine Location, the biggest building boom occurred between 1892 and 1900. During this period the mine sunk several new shafts and greatly expanded its underground workings. Simutaneously, Quincy virtually rebuilt its surface plant to meet the increased demand for support services. In 1899-1900 the company erected this machine shop to augment both its repair and fabricaton facilities." [Architectural drawings for a machine shop, includes the west elevation (front) and the floor plan.]

Scanned: March 10, 2014