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Map - Seneca Copper Mining Co. |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Seneca Copper Mining Co., Mine Nos. 2 & 3, 1 mile N.E. of Mohawk, Mich. Surveyed by Johnson and Higgins, N.Y. Scanned: October 19, 2010 |
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Calumet and Hecla - Unwatering the Osceola Lode |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Various pictures of the unwatering of the Osceola Lode Project. [Plan of the No. 5 Tamarack Shaft 1077' Level Pump Room.] Scanned: February 9, 2010 |
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Map - Copper Falls |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Plan of the companys property representing the geology, courses of copper vein, the Cupriferous belt of Amygd.: Trap. Called Ash Bed and the surface works. [Blueprint drawing of Copper Falls property.] Scanned: June 24, 2008 |
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Transverse Section of the Garden City Mine, Dec., 1860 |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Traced April 30, 1928 for Geological Department, Calumet and Hecla Consolidated Copper Co., from lithograph accompanying Report of Garden City Mining Co. December 10, 1860. Diagram of the Underground Workings on the Ash Bed. John H. Gatiss, Agent. Scanned: September 8, 2008 |
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Map - Adventure Mine Butler Vein |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Adventure Mine Plan and Section Butler Vein Scanned: August 25, 2010 |
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Map - Laurium Mining Company |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Laurium Mining Company Sec. 24, T56N, R33W Scanned: October 4, 2010 |
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Map - Champion Copper Company |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Surface Map of the Champion Copper Company - Scale 1 in. 200 ft Index P.H. 220E No. 863 Scanned: November 18, 2008 |
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Map - Champion Copper Company |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Surface Map of the Champion Copper Company Scanned: November 18, 2008 |
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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 |