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Ask The Experts: What is a Spanish needle?

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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Ask The Experts - Are friends and relatives regulated like employees?


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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.

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.

Ask The Experts - Need help finding production records


Ask The Experts: Should I take my claim access problems to the Desert Advisory Council?


Q: The nearest access to the claim is a half mile walk, which is tough for a lode claim.

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The Bawl Mill   • Ask The Experts: Sulfides and fluxes   • Legislative and Regulatory Update   • Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits   • The "Madonna Nugget"—A Weekend Hunt to Remember   • The Goldfield Mining District, Nevada—Part II   • Sunset Sunbaker   • A Prospecting Adventure in Mexico   • Critical Minerals: Tungsten   • Police Urge Author to End Treasure Hunt   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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