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rocker ((1))†
Placer Mining
DCHP-1 (pre-1967)
Entry from the DCHP-1 (pre-1967)
This entry may contain outdated or offensive information, terms, and examples.
n.
a contrivance used to separate gold from gravel.
Quotations
1859
I saw the product of many of the rockers, and found that the daily yield to each rocker was from ten dollars to two ounces; in some instances a much larger yield.
1927
Each night the rockers were "cleaned up" and the gold was collected, the finer particles being separated from the metallic black sands by the use of mercury.
1965
[Caption] A rocker set up to rework old tailings at Cedar Creek.