Placer Gold Recovery Methods - California Department of .CONCENTRATION OF PLACER GOLD ORE . . SMALL SCALE RECOVERY EQUIPMENT . .. dent miners will find information on available equipment and.placer gold mining equipment,New & Used Placer Mining Equipment for Sale | Alluvial Mining .Savona Equipment is a lead supplier of placer mining equipment including gold wash plants, derockers, sluice boxes, and trommels. Our Placer mining.