| Thumbnail | Subject(s) | Description | Add to Shoebox |
|---|---|---|---|
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Calumet and Hecla |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Miners, Copper Miners, Hydraulic Machinery |
48th Level Pump [Two men supervise the running of the pump. One holds an oil can.] Scanned: January 5, 2010 |