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Calumet & Hecla Stamp Mill |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade |
View of part of the Calumet & Hecla Stamps from Torch Lake, Hecla Sand Wheel House, W.W. Boiler House, Water Works, Hecla Mill, Co's Dock and Steamboat L'd'g. Scanned: September 10, 2014 |
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Ahmeek Mill Boiler House Drawing |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade, Buildings |
Calumet & Hecla Consolidated Copper Company. Machine location plan - GR. 14.5 & 32.5 Mechanical Equipment, boiler house - Ahmeek Mill - Hubbell, Michigan. Scanned: August 13, 2014 |
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Ahmeek Mine Fissure |
Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Ahmeek Mine, underground view of fissure. Scanned: June 4, 2013 |
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Hecla Stamp Mill |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade |
Hecla Stamp Mill. [Image shows Calumet & Hecla Mining Company's Hecla Mill. Scanned: September 10, 2014 |
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Electrolytic Plant Trusses |
Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Calumet and Hecla Mining Company Electrolytic Plant, detail of the trusses. Designed by Worden Allen Company; Chicago, Milwaukee, Houghton. [Engineering Drawing] Scanned: June 15, 2012 |
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Electrolytic Plant Gurders, Roof Beam and Detail |
Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Calumet and Hecla Mining Company Electrolytic Plant, roof beam and detail. Designed by Worden Allen Company; Chicago, Milwaukee, Houghton. [Engineering Drawing] Scanned: June 15, 2012 |
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Electrolytic Plant Engineering Drawings- Struts and Bracing |
Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Worden- Allen Company drawings for the Calumet and Hecla Minng Company's Electrolytic Plant. This drawing focuses on the struts and bracing of the plant. Scanned: June 19, 2012 |
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Electrolytic Plant Engineering Drawings- Bracing and Rafters |
Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Worden- Allen Company drawings for the Calumet and Hecla Minng Company's Electrolytic Plant. This drawing focuses on the bracing and rafters of the plant. Scanned: June 19, 2012 |
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Electrolytic Plant Engineering Drawings- Crane Girders and Braces |
Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Worden- Allen Company drawings for the Calumet and Hecla Minng Company's Electrolytic Plant. This drawing focuses on the crane girders and braces. Scanned: June 19, 2012 |
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Electrolytic Plant Engineering Drawings- Struts and Roof Bracing |
Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Worden- Allen Company drawings for the Calumet and Hecla Minng Company's Electrolytic Plant. This drawing focuses on the struts and roof bracing. Scanned: June 19, 2012 |