Mining Equipment Used Gold Mining Equipment Trout Underground. SC 29575 Lot of Gold Mining Equipment Johnson Pump. DAM, The Gold Catcher, Garretts Etc. Powered by Up for auction is this lot of gold mining equipment 12" DAM Industries Blue Bowl Concentrator with Johnson pump 750 GPH 12V. 13" Garrett''s Gravity trap, 14" The Gold Catcher, 12" …