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Hardrock in Downieville

A recent weekend trip found us leaving the Grass Valley, California area to meet up with some friends in Downieville.

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Sniping for Gold


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There’s gold in that thar sea floor. Silver, copper, zinc and lead, too. The problem is, it’s a mile or two underwater and encased in massive mineral deposits that layer a dark, mysterious world.

Feds Raid “Liberty Dollar” Headquarters


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Hard Rock and Placer Gold of Manhattan, Nevada


He found 5 to 7 feet of gravel containing half an ounce per yard. This started a rush of placer activity and several other shafts were sunk, with some large multi-ounce nuggets being found.

River Dredging vs. Creek Dredging—Part II


While river dredging in fast water, don’t be afraid of being swept out of your dredge hole by the current. If this happens—and it most certainly will in fast water—there is no need to panic. Don’t try to swim against the current because you will waste much energy in an effort to conquer the river. Just let it take you downstream.

Ask the Experts


Bismuth oxide for assaying?

Heavy Sands Mining


Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.

Subscription Required:
The Bawl Mill   • Our Readers Say   • Enrichment of Gold Veins   • The Assay of High Iron Gold Ores   • The Patch   • History of Mining—Bradshaw Mountains, AZ (Part I)   • Picks & Pans—The Green Rock, Rattlesnakes, Good Gold and Ruth's Mine   • The Oretron   • Silver Hill, North Carolina   • Residual, Lateritic and Gossan "Soils" as Potential Nuggetshooting Sites   • Looking Back   • Company Notes   • Gold in Northern Baja California   • California State Gold Panning Championship Results   • Melman on Gold & Silver   • V.P. Contender Addresses Mining Show

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