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who invented hydraulic mining california in price

Mar 06 2017 · The Malakoff Diggins is the largest hydraulic mining site in California Years of hydraulic mining has left an artificial canyon 7000 feet long 3000 feet wide and 600 feet deep Early small scale placer miners referred to the area as Humbug due to many failed attempts to mine the local rivers Yet gold was there... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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