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Hydraulics In Gold Mining Blueprints

Hydraulic mining cprr photographic history museum,hydraulic mining in california. By craig crouch, rocklin, california hydraulic mining uses jets of water to break down gold-laden gravel banks and to wash the material through gold-separating devices It was one of the dominant forms of the california gold mining industry from the mid- until 1884, when it was halted by federal injunction.

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