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Prospecting & Detecting

Ask the Experts

Q: Will my detector react to fine gold?

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Proper Spacing of Placer Sample Sites


The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.

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An Interview with Minelab Engineer Mark Lawrie


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Subscription Required:
The Bawl Mill   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Common Mistakes of the New Detectorist   • The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II   • Mining for Gemstones and Mineral Specimens   • Fighting and Winning Without a Lawyer   • The Essentials of Dry Washing   • Fortymile, Alaska Prospecting Adventure   • Court Says Emergency Rule in California Unjustified   • Sampling Placer Stockpiles   • Lower Prices Bring Layoffs   • Prospecting Research   • Buyer Beware! Counterfeit Metal Detectors   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Underground in the Original 16-1 Mine

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Legislative and Regulatory Update   • Annual Claim Fees Due September 3, 2013

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