Most gold mining today is done in small operations — one or two persons working at a time — often with the use of suction dredges. A suction dredge is a powerful underwater-type of vacuum cleaner.
USED GOLD PROSPECTING EQUIPMENT METAL DETECTORS, GOLD DREDGES, DRYWASHERS AND MORE A variety of demo and used gold prospecting equipment is often available Drywashers, suction dredges and a large assortment of metal detectors are often available.
Important note: Since writing this article, over the period of a year, the State of California has adopted new regulations which no longer allow any type of vacuum or suction to excavate material off the bottom of a waterway.
California Suction Dredge Regulations - Dredging Restrictions - UPDATE APRIL 2010: REFUNDS MAY SOON BE AVAILABLE FOR DREDGE PERMITS ISSUED PRIOR TO THE CA SUCTION DREDGE BAN.
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