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Using A Trommel For Placer Processing

The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.

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Ask The Experts


Is it possible to use a cell phone GPS away from cell towers?

U.S. Dept. of Interior Inspectors in Arizona


Glynn Burkhardt, president of the Arizona Small Mine Operators Association, has a small mine outside of Tucson, Arizona. He recently received a visit from U.S. Department of Interior...

Finding Gold - Fact vs Fiction


Truths and myths about finding Gold

Benches and Fossil Placers


Unfortunately for us mortal humans, we have a poor perspective on geologic time. When we look at a landscape such as a stream valley, we see it only in two, or at the most, three dimensions. We have poor comprehension of the valley’s fourth and most important dimension—time.

Sampling for Success—Part II


The first and most important thing of the sampling process is to try to be as unbiased as possible. There is a natural tendency to select rock that looks the best—even unconsciously.

N.Y. Congressman Introduces Utah Wilderness Bill


For the fifth time in the last decade, New York Congressman Maurice Hinchey has introduced legislation to set aside wilderness in Utah.

Internet Posting Fuels Gold Rush in Brazilian Town


It’s a gold rush in the Amazon jungle, driven by the Internet.

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The Bawl Mill   • Legislative and Regulatory Update   • Prospecting for Hardrock Gold - Part II   • Gold in Alaska - Part II   • Gold Prospecting in Maine - Part I   • Gold Prospecting Is For Ladies, Too   • Sage-Grouse Won't Get ESA Listing For Now   • How to Find Gold in Hot Ground With A VLF Detector   • Oregon County Tries to Interfere With Lawful Mining Operation   • Melman on Gold & Silver   • Mining Stock Quotes & Mineral and Metal Prices

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Nevada Creates Mining Claim Tax to Balance Budget

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