On the top of the box is a sieve or "grizzly." It has openings of about half-inch or quarter-inch. This feature is very important; its main function is to screen the larger objects such as the bigger rock as well as other unwanted materials. While this might also accidentally screen out a large gold nugget, most of the time it was wo…See more on howtofindgoldnuggets
RareGoldNuggetshttps://raregoldnuggetsHow the Early Miner's Found Gold with a Tool that is Rarely …
Rocker boxes are built in three parts, which include a sluice box, a screen, and an apron. When using a rocker box, gravel would be shoveled into the box onto a screen. This …
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