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Calumet and Hecla |
Manufacturing Process, Mills and Millwork, Buildings, |
Isle Royale Mill [Interior view of the mill.] Scanned: January 5, 2010 |
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Calumet and Hecla |
Manufacturing Process, Mills and Millwork, Buildings, |
Isle Royale Mill [Interior view of the mill.] Scanned: January 6, 2010 |
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Calumet and Hecla |
Manufacturing Process, Mills and Millwork, Buildings, |
Isle Royale Mill [Interior view of the mill.] Scanned: January 6, 2010 |
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Calumet and Hecla |
Manufacturing Process, Mills and Millwork, Buildings, |
Isle Royale Mill Scanned: January 6, 2010 |
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Old C & H Mills |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings |
Old C & H mills. [Expansive view of milling operations and surrounding buildings.] Scanned: January 20, 2010 |
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Old C & H Mills |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings |
Old C & H mills. [View of milling operations and surrounding buildings.] Scanned: January 20, 2010 |
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Old C & H Mills |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings |
Old C & H mills. [View of milling operations and surrounding buildings.] Scanned: January 20, 2010 |
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Calumet & Hecla Stamp Mills |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process, Mills and Millwork |
Calumet & Hecla stamp mills, boilers, automatic stokers. [Image looks down a runway between two banks of machinery in a C&H stamp mill.] Scanned: September 10, 2014 |
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Photographs of the Calumet and Hecla Mines |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Manufacturing Process, Mills and Millwork |
Calumet and Hecla Stamp Mills Boilers Automatic Stokers. [Interior view of the mill showing several boilers. 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, Buildings, Manufacturing Process, Mills and Millwork |
Calumet and Hecla Stamp Mills. Power House Switch board. [A man checks the controls on an enormous switch board.] Scanned: November 4, 2009 |