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Calumet & Hecla Stamp Mill

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade Calumet & Hecla Stamp Mills. Hecla Mill, Wash Room.

Scanned: September 10, 2014


Calumet & Hecla Stamp Mill

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade Calumet & Hecla Stamp Mills, sand leaching plant.

Scanned: September 10, 2014


Calumet & Hecla Stamp Mill

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade View of part of the Calumet & Hecla Stamps from Torch Lake, Hecla Sand Wheel House, W.W. Boiler House, Water Works, Hecla Mill, Co's Dock and Steamboat L'd'g.

Scanned: September 10, 2014


Calumet and Hecla Stamp Mill

Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining Calumet and Hecla Stamp Mills, Head Foundation. Calumet Mill Heads No. 6, 7, 8, 9, 10 and 11.

Scanned: June 8, 2012


Calumet & Hecla Mining Company - Hecla Mill Drawings

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Calumet & Hecla Mining Comany, Hecla Mill wash heads. Foundation walls and launders plan.

Scanned: September 9, 2014


Calumet & Hecla Mining Company - Plan & Evaluation of Machinery

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Calumet & Hecla Mining Company Hecla Mill Heads No. 12 and No. 13, plan and elevation of machinery.

Scanned: September 9, 2014


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. Tunnel Details.

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; Engine House Details in Various Scales.

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; 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