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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 |
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Electrolytic Plant Section Drawings |
Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Calumet and Hecla Mining Company Electrolytic Plant Section Drawings. Designed by Worden Allen Company; Chicago, Milwaukee, Houghton. Scanned: June 15, 2012 |
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Electrolytic Plant Monitor Posts |
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 monitor posts. Designed by Worden Allen Company; Chicago, Milwaukee, Houghton. Scanned: June 15, 2012 |
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White Pine Dam |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, , |
North Dam numbers one and two, Amax. White Pine Copper Range territory. Scanned: November 12, 2013 |
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Topographical and Underground Plan of the Cliff Mine |
Historic Sites, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Traced May 17, 1928 for Geological Department, Calumet and Hecla Consolidated Copper Company, from lithograph accompanying Report of Charles T. Jackson, 1847. Scanned: June 17, 2014 |
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Map of White Pine Mine |
Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Map of White Pine Mine. [Underground map of White Pine Mine, showing the mining operations of the company by month.] Scanned: February 25, 2014 |
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Map of White Pine Mine |
Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Map of White Pine Mine. [Underground map of White Pine Mine, showing the mining operations of the company by year.] Scanned: February 25, 2014 |
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Map of the Centennial Copper Mining Company |
Earthwork, Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
[Map showing the property of the Centennial Minng Company and the property of the Calumet and Hecla Consolidated Copper Company, which was formerly the property of the Centennial Mining Company.] Scanned: March 19, 2012 |
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Map of the Centennial Copper Mining Company |
Earthwork, Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
[Map showing the land owned by the Centennial Mining Company, and surrounding land owned by different mining companies.] Scanned: March 19, 2012 |