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Placer Testing with Large Samples

Of all the difficult gold placer sites to evaluate, none can compare with trying to dig to bedrock through twenty or thirty feet of soaked overburden through which water is slowly seeping downgrade.

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The Old Dutch Cleanser Mine


The naturally occurring white scouring powder called Old Dutch Cleanser, originally from Kern County, California, is a household helper known throughout America. As a sink, stove, and tub cleaner, the abrasive pumicite is one of...

Update on MMAC & PLP


Public Lands for the People is working on a Miner's Bill of Rights with the support of several members of Congress.

Ask The Experts: How to remove precious metals from lead?


I have a large amount of precious metals, gold and silver, mixed in with lead. Cupelling is expensive. What method can I use to extract the gold and silver without cupelling?

Mining Stock Quotes and Mineral & Metal Prices


Becoming A Nozzle Master


Tired but satisfied after the first day dredging this season, I settled into my homemade oak camp chair. My eyes scanned the beautiful river, steep forested mountains and crisp blue sky, with the heat of the day fading.

Ask The Experts - How hot does a furnace need to be to get rid of sulphides?


ICMJ Honored As Prospecting Magazine of the Year


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