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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 |
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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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Map-Timbering No 2 Shaft |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Timering Number 2 Shaft, Hancock Consolidated Mine [Partial Plan for a Mine Shaft] Scanned: January 30, 2012 |
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Masonry Plan for Trestle over M.R.R.R. |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Plan for Trestle over M.R.R.R. by Wisonsin Bridge and Iron Company of North Milwaukee, Wisconsin. The masonry plan was made for Hancock Consolidated Mining Company. Some text from Plan: Pedestals for Bents are proportioned for bearing of 2 tons per square foot for ordinary clay. If clay is soft sizes of footings are to be increased in proportion. Masonry and Anchores furnished and Anchors set by Mining Co. Anchors must be located with great care as shown, so that girders and bracing of towers will go up in field as intended. All distances along and track are on chords to archs intercepted between bents. Scanned: January 30, 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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Ahmeek Mining Company Stopes |
Metal Trade, Copper Industry and Trade, Human Settlements, Cities and Towns, |
[Plan drawing of stopes, shafts and addits of Ahmeek Mine. The mine workings are under the territories of Mohawk, Ahmeek and Finnegan.] Scanned: March 1, 2013 |
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Map - White Pine Mine |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , |
Copper Range Company, White Pine Mine General Mine Map. Scanned: April 19, 2013 |