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Ask The Experts: What is a Spanish needle?
July 2017 by Chris Ralph
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
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How do I set up a small placer operation?
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If it's gold, how should I clean it?
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Relationship between limestone and gold
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Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
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Setting up a gravity dredge
Ask The Experts - Could I stake out a 20-acre claim with a waterway running through it just as I would a lode claim?
Q: Could I stake out a 20-acre claim with a waterway running through it just as I would a lode claim?
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