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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 |
Calumet & Hecla Stamp Mills. Hecla Mill, Wash Room. Scanned: September 10, 2014 |
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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 |
Calumet & Hecla Stamp Mills, sand leaching plant. Scanned: September 10, 2014 |
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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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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 |