![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/717e07c1-6300-439f-ba34-e54cc193412d?itok=ZSKXJrlq)
Calumet and Hecla Mining Co. Drawing |
Natural Resources, Mines and Mineral Resources, Manufacturing Process, Mills and Millwork, Engineering |
Calumet and Hecla Consolidated Copper Company. Drawing of 13200 Volt Transmission Line for Mine.
Scanned: July 11, 2013 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/0eb61962-6707-442b-bff5-8abd80e48e62?itok=QAODa1BV)
Ahmeek Mining Company Drawings |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Human Settlements, Cities and Towns, |
Ahmeek Mining Company, Ahmeek #3 & 4 Dry, Plan & Elevations. [Architextural drawings for Ahmeek Mining Company dry house.]
Scanned: March 1, 2013 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/05966ced-a538-45e0-82d9-d83cb693a17e?itok=m43Jki-8)
Ahmeek Mining Company Drawing |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Buildings, |
Ahmeek Mining Company, Ahmeek No. 3 and 4, Air Pipe Line and Tunnel Sheave Stand Foundations. Approved October 19, 1912.
Scanned: August 7, 2012 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/4637a4d4-3fe4-4956-9932-d6f2bf2b9105?itok=sa7fQRmN)
Quincy Company Plan Drawing |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Engineering, |
Sketch of Skip Gate and Chute.
Scanned: July 8, 2013 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/c820071b-d521-4b47-9216-e84f70c0ee34?itok=51JyfLrA)
Proposed Turbine Building |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Proposed Turbine Building
Scanned: November 26, 2014 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/423913c1-eb12-4776-a380-a901e6820c5c?itok=HebIhBTa)
Quincy Mill Sands |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, |
Quincy Mining Co. Hancock, MI- Quincy Mill Sands
Scanned: November 26, 2014 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/d20da427-a42d-4868-a86b-f1734b6f7c1d?itok=jhQyfU7A)
Quincy Reclamation Plant |
Historic Sites, Historic Mines, Manufacturing Process, |
Quincy Reclamation Plant- Torch Lake
Scanned: November 26, 2014 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/e9029dc2-91c9-403b-9c17-0e5e2fb7ae0e?itok=LG0kbd_C)
Quincy Mill Sands- Sections |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, |
Quincy Mining Co. Hancock, Mich.- Quincy Mill Sands Sections
Scanned: November 26, 2014 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/00c204ca-2755-40e2-8c21-16f848ff1a42?itok=PHcyYUbL)
Quincy Mill Sands- Copper Content |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, Metal Trade, Copper Industry and Trade, Copper Mines and Mining |
Quincy Mining Co. Hancock, Mich.- Quincy Mill Sands Copper Content
Scanned: November 26, 2014 |
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![](https://cchi.mtu.edu/system/files/styles/archives_watermark_thumbnail/private/87665e46-02f1-45ba-b0a6-f1cbfb21821f?itok=5PauxU2O)
Quincy Mill Plat |
Historic Sites, Historic Mines, Manufacturing Process, Mills and Millwork, Metal Trade, Copper Industry and Trade, Copper Mines and Mining |
Quincy Mill Plat
Scanned: November 26, 2014 |
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