MINES AND GEOLOGY GORDON K. VAN VLECK, Secretary THE RESOURCES AGENCY GEORGE DEUKMEJIAN, Governor STATE OF CALIFORNIA DON L. BLUBAUGH, Director DEPARTMENT OF CONSERVATION PLACER GOLD RECOVERY METHODS

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Would you like to read about sluices, shaker tables, retorts, and trommels, and more? Here is a PDF with information from special publication 87 of the 1986 CALIFORNIA DEPARTMENT OF CONSERVATION DIVISION OF MINES AND GEOLOGY by By Michael Silva. http://www.consrv.ca.gov/cgs/geologic_resources/gold/Documents/SP87.pdf  This was originally a 31 page PDF chock full of interesting information. Included are 21 black and white photos. The diagrams are good, the concepts are even better. FYI.



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