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Us Bureau Of Mines Plans Fot A Small Gold Rocker Box

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Us Bureau Of Mines Plans Fot A Small Gold Rocker Box

Gold Rocker Box . One of the first devices cheap after the gold pan was the gold rocker box The rocker allowed small operators to increase the amount of gravel handled in a shift with a minimum investment in equipment Rockers vary in size shape and general construction depending upon available construction materials size of gold recovered and the builders mining experience Gold Rocker Boxes .