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Prospecting at Moore Creek
August 2006 by Chris Ralph

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Turning Acid Mine Drainage Into Drinking Water?—Grass Valley Company May Have the Answer
September 2000
HPT Research recently tested their patented process for treating Acid Mine Drainage (AMD) on thousands of gallons of contaminated water at the Mammoth Mine.
HPT Research recently tested their patented process for treating Acid Mine Drainage (AMD) on thousands of gallons of contaminated water at the Mammoth Mine.
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While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.

Care and Lubrication of a Model 13 Laboratory Wilfley Table
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A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.

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