Browse Subjects

Thumbnail Subject(s) Description Add to Shoebox

Calumet and Hecla

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Miners, Copper Miners, Hydraulic Machinery 48th Level Pump [Two men supervise the running of the pump. One holds an oil can.]

Scanned: January 5, 2010


Calumet and Hecla Mills and Reclamation Plant - Steam Pump

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Hydraulic Machinery, 60 Million Gallon Pump, Steam Driven [An interior photo of a large steam pump. Two men are standing at the top of a three story sprial staircase next to the pump.]

Scanned: January 11, 2006


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Hydraulic Machinery 40 Million Gallon Pump, Motor Driven [Photo of the pump installed in the building.]

Scanned: December 2, 2009


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Hydraulic Machinery Hardinge Mill and Dorr classifier.

Scanned: December 2, 2009