| Thumbnail | Subject(s) | Description | Add to Shoebox |
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Calumet and Hecla Safety Sign |
Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Manners and Customs, Miners, Copper Miners |
Calumet & Hecla and Subsidiaries Safety Firse information board. [Image shows a sign that provides information on Calumet and Hecla's safety regulations.] Scanned: June 13, 2013 |
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Mining Class |
Manners and Customs, Education, Postsecondary Education, Education, Higher, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Mining Class 81,00 feet down Quincy Shaft. Scanned: January 21, 2014 |