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Prospecting & Detecting

Determining The Optimal Crushing Size for Gravity Recovery

It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.

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Rediscovering Placerville, California


Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.

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