Ask The Experts
Ask The Experts - Can you explain how caliche forms?
February 2020 by Chris Ralph
Ask the Experts
Gold and silver in Pennsylvania
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Gold nuggets and serpentine contacts
Ask The Experts—Precious metals in water?
How can I determine if there are precious metals in the groundwater?
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Email scams
Ask The Experts—Studies with summaries and conclusions please...
Q: ...A number of scientific studies have been done that concluded our level of dredging is “not” harmful to fish or habitat. I suggest that the Mining Journal list some of these specific studies with brief summaries and conclusions.
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The Bawl Mill
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