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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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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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