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Iron Mines |
Metal Trade, Iron Industry and Trade, Iron Mines and Mining, Rock Excavation, |
Iron Mines & Mining - Cleveland Cliffs Iron Co. - Jackson Iron Mine? [Pit from surface appears to intersect the shaft on the ground.] Scanned: June 15, 2006 |
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Iron Mines |
Metal Trade, Iron Industry and Trade, Iron Mines and Mining, Excavation, Transportation, Bridges |
Cleveland Cliffs Iron Co. - Jackson Iron Mine looking north #5 bridge. [A wooden bridge runs through a tunnel in a wall of rock.] Scanned: August 24, 2006 |
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Calumet and Hecla Mill |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, |
C&H Mills and Dredge. [Photograph taken from an upper level, looking down at mill machinery and the walkways surrounding them.] Scanned: July 9, 2013 |
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Calumet & Hecla Dredge |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Water |
Sand Dredge [View of the dredge which looks like a floating house.] Scanned: October 13, 2009 |
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Calumet & Hecla Dredge |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Water |
C & H Lake Reclamation Dredge #2 [View of dredge in lake and buildings on shore.] Scanned: October 13, 2009 |
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Photographs of the Calumet and Hecla Mines |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Manufacturing Process, Mills and Millwork |
Calumet and Hecla Stamp Mills. Sand Dredge. Lever Room. [Interior view of the room showing the numerous levers that operate the dredge.] Scanned: November 4, 2009 |
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Photographs of the Calumet and Hecla Mines |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Manufacturing Process, Mills and Millwork |
Calumet and Hecla Stamp Mills. Sand Dredge. Switch board. [Interior view of the dredge showing the switch board.] Scanned: November 4, 2009 |
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Photographs of the Calumet and Hecla Mines |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Manufacturing Process, Mills and Millwork |
Calumet and Hecla Stamp Mills. Sand Dredge. General View. [Exterior view of the dredge.] Scanned: November 4, 2009 |
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Tamarack Dredge |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Water, Lakes |
Tamarack Dredge [View of dredge and another building. Snow still covers the ground and the water is slushy.] Scanned: May 3, 2010 |
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Apophllites |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Rock Excavation, |
Apophllites Copper colored Powellite [Image of rock specimens. A sign on one of the specimens indicates it is from the N. Tamarack Mine] Scanned: September 27, 2007 |