Browse Subjects

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Calumet & Hecla Mill

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, C & H Ball Mill Liners. [Photo of a stack of liners.]

Scanned: September 22, 2009


Calumet & Hecla Smelter

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Manpower, Labor Inspecting copper cakes. [Two men are shown inspecting the cakes.]

Scanned: September 22, 2009


Calumet & Hecla - Lake Chemical Company

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, [Photo of 50 pound bags of Copper Hydrate being filled. The bags state it is a technical grade of cupric hydraoxide manufactured by the Lake Chemical Co. of Calumet, MI.]

Scanned: September 22, 2009


Calumet & Hecla - Lake Chemical Company

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, [Photo of 50 pound bags of Copper Hydrate being stored in a warehoue type of setting.]

Scanned: September 22, 2009


Calumet & Hecla - Lake Chemical Company

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, [A worker operates a piece of machinery that may be an evaporator?]

Scanned: September 22, 2009


Calumet & Hecla - Tamarack Mill

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process, Mills and Millwork Tamarack Mill [Exterior view of the building. Logs, wagon wheels and wagons are scattered on the grounds. Ladders lead to each level of the roof.]

Scanned: December 1, 2009


Calumet & Hecla - Tamarack Regrinding Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process Tamarack Regrinding Plant [Exterior view of the building with many windows.]

Scanned: December 1, 2009


Calumet & Hecla - White Pine Mill

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Manpower, Labor White Pine Mill Progress Photo - View of stamp mill looking N.E.

Scanned: September 24, 2009


Calumet & Hecla - White Pine Mill

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Persons White Pine Mill Progress Photo - View of stamp mill looking N.

Scanned: September 24, 2009


Calumet & Hecla - White Pine Mill

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Persons White Pine Mill Progress Photo - View of stamp mill looking N.

Scanned: September 24, 2009