Large Scale Alluvial Mining

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    the early miners worked on a small scale as individuals or small groups on small alluvial claims in active rivers. modern mining is at a much larger scale and can therefore work ground economically at very low grades.

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    gold mining – wikipedia, the free encyclopedia. romans used hydraulic mining methods, such as hushing and ground sluicing on a large scale to extract gold from extensive alluvial deposits, such as those at las medulas

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