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The Trapiches of Chile

In Chile, the trapiche (tra-peach-ee) method of milling gold ore began more than 400 years ago. The first trapiche, also known as a Chilean mill, was a stone wheel weighing two or three tons rotating on an axle.

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Company Notes


Barrick Gold's Golden Sunlight mine; Everton Resources, Globestar Mining search for gold and copper in the Dominican Republic; NovaGold Resources' Galore Creek Project

3D-Printed Tools for Prospecting


…these two guys are part of the new hi-tech generation who review new technologies and are always looking for new ways to apply them in innovative fields!

Remote Mining Camps of Yuma County


The remote desert of southwestern Arizona was an attraction only because of the gold and other minerals that were found there. Certainly the weather was not a draw! The early mining days were tough—the mines were a long way from supplies, and hostile Indians made travel in the area extremely dangerous.

Jury: Gov't Rightfully Seized 1933 Gold Coins


The verdict capped an unusual civil case that combined history, coin collecting and whether the $20 “double eagles” ever legally left the US Mint.

Mining Stock Quotes and Mineral & Metal Prices


The Notch Peak Intrusive


Located about thirty miles west of Delta, Utah, just to the north of Highway 6-50, is a tall rocky crag with an apparent notch missing from the peak. This is Notch Peak.

Mining Stock Quotes & Mineral and Metal Prices


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The Bawl Mill   • A Word from the Editor   • Under the Guise of Environmental Protection—EPA Revealed   • The Centennial Lode and the Centennial Ridge District, Wyoming   • Company Notes   • Picks & Pans—In Search of Nome Creek Gold   • Massive Sulfide Deposits in Oregon   • Recreational Dredging on the South Yuba River   • Tales of Liberty Gold   • Drywashing Alluvial Placers   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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