![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/485df609-4c7e-41b7-9a08-73efff4d809a?itok=MzQm4K9X)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manpower, Labor, |
[View of some of the timbers used to keep the rock in place.]
Scanned: December 14, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/4254bb3b-3304-4ca2-89dd-39ff764329a0?itok=WCIv9EVA)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manpower, Labor, Miners, Copper Miners |
[Several miners underground loading an ore car?]
Scanned: December 14, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/34796c92-8044-4634-886e-2b5d2c4a2cbe?itok=96jiIKg-)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manpower, Labor, |
Dumping copper rock from car into skip on 72 level, Calumet-Hecla Mines, Calumet, Mich.
Scanned: December 14, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/c1a6e0bd-e277-4f32-a22e-0110ce9d4020?itok=b7Lixnzs)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Miners, Copper Miners, Buildings |
Miners leaving shaft after a day's work. Calumet-Hecla Mines, Calumet, Mich. [A group of miners exit the shaft house carrying lunch pails.]
Scanned: December 14, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/52b1b518-8046-4907-a13e-9f7b89fa3efe?itok=j5r9TTjX)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, |
Loading cars with crushed copper rock and cars loaded with rock for shipment to mills, Calumet-Hecla Mines, Calumet, Mich. [Several cars loaded with ore are pictured.]
Scanned: December 14, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/93773160-398b-464d-a251-b240897224a1?itok=Hn26k380)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Transportation, Railroads |
Train load of copper rock leaving shaft houses for stamping mill, Calumet-Hecla Mines, Calumet, Mich. [Good photo of a train carrying several cars filled with ore. Several mining buildings and part of the town in background.]
Scanned: December 14, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/f20cc21b-85c8-4772-8641-f7d0da4fdbae?itok=n7NLQFY5)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Manpower, Labor |
Jigs, Screens and Tables, Calumet-Hecla Mills, Lake Linden, Mich. [Two men are pictured in the maze of posts and pillars - one is a worker the other wears a suit.]
Scanned: December 15, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/4ab9ef24-5315-426e-a47e-7594403c98c2?itok=nlus-4B4)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, |
[Hazy photo of mining operations showing railroad cars full of ore and mining buildings with smoke pouring out of their chimneys.]
Scanned: December 15, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/06260329-e62c-467e-8c29-a23bae9f8c68?itok=3pFj5jMp)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Manpower, Labor |
Separating pure copper by means of electric current. Calumet-Hecla Electrolytic Plant, Lake Linden, Mich. [An impressive operation showing some of the workers.]
Scanned: December 15, 2009 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/cb826e2f-fd93-4ef7-971d-674ddf790e31?itok=OOdA9EQV)
Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Manpower, Labor |
Cathode plates, 99.9 pure copper, leaving electrolytic plant for smelter, Calumet-Hecla mill, Lake Linden, Mich. [Several railroad flat cars are loaded with the plates ready for shipment. A man holding a cigar looks on.]
Scanned: December 15, 2009 |
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