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Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Smelting Smelter - Claning Beams for No. 20 Furnace, July, 1956 [Men work on the beams outside the building]

Scanned: December 12, 2006


Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manpower, Labor, Skilled Labor, Smelting Calumet & Hecla Smelter Electric Crane [Several men work with the crane]

Scanned: December 12, 2006


Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Smelting Calumet & Hecla Smelter Casting Building [Interior view of the casting building]

Scanned: December 12, 2006


Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manpower, Labor, Skilled Labor, Smelting Calumet & Hecla Smelter Electrolytic Plant, Sub Station [Interior view of the electrolytic plant]

Scanned: December 12, 2006


Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Harbors, Docks, Smelting Calumet & Hecla Smelter Coal Dock [Image of the iron structure at the dock]

Scanned: December 12, 2006


Lake Linden Smelting Works and Dock

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Smelting, Smelting Works and Dock - Lake Linden. [A hard to imagine photo showing a thriving mining operation.]

Scanned: September 14, 2010


Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manpower, Labor, Skilled Labor, Smelting Calumet & Hecla Smelter Electrolytic Plant, Sub Station [Three men work at the station]

Scanned: December 12, 2006


Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Smelting [Interior view of smelter]

Scanned: December 12, 2006