Ask The Experts
Ask The Experts - Need help finding production records
April 2019 by Chris Ralph
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Q: Where is the best place to prospect for gold in Minnesota?
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Gold and silver in Pennsylvania
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• Reason for adits rather than shafts?
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?
Ask The Experts—Using classifiers
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
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Breaking cemented gravels
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The Bawl Mill
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