![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/75dff433-8575-4757-af73-549ae4a11eef?itok=gccmC7NT)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/e5670695-d680-4e96-8a4d-cc516c696e4b?itok=dU5XauZV)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/9bdfb20c-a172-48dd-9768-ff73686cda6f?itok=kSjGaUuA)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/18c112af-e8fe-48b1-9f7d-cdeb3a317e35?itok=Vmf6hSue)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/a48bd0b1-d1cd-4245-808e-1ebb13a71ba0?itok=mElCHZeW)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/66201dba-8cf0-425b-8136-652abacd1b6b?itok=vmRb8Ioz)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/d1bb4852-2eee-405c-b966-a0f0e6525eca?itok=tm8AO1y-)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/4c2c5d37-f0df-43c0-8181-d22175b867d3?itok=Z6Waqh3i)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/96214081-5ef9-4205-a68e-8494b2817a38?itok=wbjcR0l8)
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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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/b1352978-e7ea-4531-854e-39fed89cfa58?itok=tmh-dyk3)
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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