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historic historic rock crushers for gold mining

historic historic rock crushers for gold mining

Dec 05, 2019· Press the end of themetal rodinto therock pebbles, then drag the rod along the bottom and sides of the metal container. Grind therocksuntil the pieces are slightly larger than the holes in the bottom of yourmining pan.Historic gold minersused a mortar and pestle togrind up rocks.

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