Gold mining
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Gold minerals[edit]
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Gold ore
Placer surface mining[edit]
Gold panning[edit]
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Gold panning at Bonanza Creek, Yukon, Canada
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Placer gold mining, Korea, ca. 1900
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Man panning for gold in Madagascar
Rockers and sluice mining[edit]
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Sluice box
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Riffles with gold dust and gravel
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Rocker box (cradle)
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Rocker box (cradle)
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Beach miners, Nome, Alaska
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Beach miners, Nome, Alaska
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Beach miners, Nome, Alaska
Hydraulic mining[edit]
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Hydraulic monitor
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Hydraulic monitor
Underground mining[edit]
Technology[edit]
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Pan, cradle, Long Tom, and pump
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Steam point, for thawing frozen ground
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Section of a drift mine, showing the use of thawing