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Map of the Centennial Copper Mining Company |
Earthwork, Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
[Map showing the property of the Centennial Minng Company and the property of the Calumet and Hecla Consolidated Copper Company, which was formerly the property of the Centennial Mining Company.] Scanned: March 19, 2012 |
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Map of the Centennial Copper Mining Company |
Earthwork, Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
[Map showing the land owned by the Centennial Mining Company, and surrounding land owned by different mining companies.] Scanned: March 19, 2012 |