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Ask The Experts - Who owns this historic mill and how do I handle possible mercury contamination?
May 2019 by Chris Ralph
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
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How do I set up a Miller table?
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• Using drywashers to work desert gravels
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• Reason for adits rather than shafts?
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Why are there no maps of the so-called mining districts?
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