Browse Subjects

Thumbnail Subject(s) Description Add to Shoebox

Calumet and Hecla Mills and Reclamation Plant - Leaching Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Flushing [An interior photo showing a man near one of the open leaching tanks.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Influent solution pipes.

Scanned: December 4, 2009


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Effluent solution pipes.

Scanned: December 4, 2009


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - V-notch Meters

Scanned: December 10, 2009


Calumet and Hecla Mills and Reclamation Plant - Leaching Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Oxidizing Towers [An interior photo showing several tall cylindrical tanks, with a leaching tank in the foreground.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - American Filter

Scanned: December 10, 2009


Calumet and Hecla Mills and Reclamation Plant - Flotation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Flotation Plant - 40' Dorr Thickeners [An interior photo showing several cylindrical tanks, with additional equipment in the background.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant - Flotation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Flotation Plant - Mineral Separation Machines [An interior photo showing equipment and plank flooring. An electrical motor is visible in the background.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Flotation Plant - Oliver Filter Loaded

Scanned: December 10, 2009


Calumet and Hecla Mills and Reclamation Plant - Flotation Flow Sheet of Calumet and Hecla Conglomerate

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, Flotation Flow Sheet of Calumet and Hecla Conglomerate [A line drawing which diagrams the process, equipment and flow of rock through the Calumet mill and reclamation plant in Lake Linden.]

Scanned: January 13, 2006