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Placer Mine Gold mining operation in Canada Canada. Dawson City. Gold mining (placer mining). |
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Man Working At Gold Mine Commercial gold mining operation Canada. Dawson City. Gold mining at the Troberg Mine. |
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Open Pit Gold Mine Water dredging at gold mining operation Alaska. Hydraulic mining north of Fairbanks. |
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Ice Hole hole in ice Alaska. A leaf absorbs heat and accelerates ice melt. |
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