4. PLACER DEPOSITS OF ALASKA. The total production of gold from placerRocker. A simple gold-recovering device that is manually rocked back and.
Gold rush era (~). During the gold rush some gold was found in the creek beds,Over time steam for thawing the ground were also taken into use.A faster way was by a rocker box or by sluicing.Alaska; Jump up ^ vh Yukon, Energy, Mines, and Resources; How Do Placer Miners Recover Placer Gold?