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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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