Ask The Experts
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?
Ask The Experts - Where can I get geological maps?
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Is Burkina Faso safe for prospecting?
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Can the public take minerals from a mining claim?
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Market for scheelite concentrates?
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