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By Joe Belanger
A gold miner shows a golden nugget freshly excavated from a mine.
Stock photo ID: 87973231
Signed model release on file with Shutterstock, Inc.
adult black coal coal miner dirt dirty discovery excavated extracted fingers geology gold grime grunge helmet holding industrial industry job laborer male men metal mine mine worker miner mineral nugget occupation people person precious profession protection safety soot treasure underground valuable wealth worker