The book "The Modern Gold Dredge." - Gold Miner's HeadquartersNov 14, 2009 . High Lift Dredge SubSurface Dredge Surface Dredge. Modern Gold Dredge. Recovery Systems. Suction System. Sluice Concentrator.gold dredges and sluices,Recreational Panning & Dredging “Rules of . - USDA Forest ServiceApr 28, 2010 . discharge through a riffle box where gold and other heavy objects . going through a dredge in the stream, the water goes through a sluice box.How to build a sluice box part III - Heckler Fabricationsluices need to be designed to collect both types of gold. To do this ... In some respects dredges or hybrid types of power sluices which use suction hoses or jet.
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