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Using a sluice box to extract gold from placer deposits has long been a very common practice in prospecting and small-scale mining. Gold ore processing

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Global Mining Equipment - HOME

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Small-Scale Mining - hsph.harvard.edu

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WATER RELATED IMPACTS OF SMALL SCALE MINING

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Gold mining - Wikipedia

Using a sluice box to extract gold from placer deposits has long been a very common practice in prospecting and small-scale mining. Gold ore processing