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Small Mining Operations

Modern Mining Reclamation

A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.

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Mining for Gold and Sapphires in Montana


Fascinated by the sapphires—and the gold that occured with them—he was soon buying parcels of property and setting up his own commercial-scale gravel processing plants.

The Oregon Claim


When I started dredging a short distance downstream from that feature I realized that I was into a major paystreak and much of the gold was coming right out of the upper gravel. I could see the chunky pieces falling out of the gravel as they were pulled into...

PLP and MMAC Update


Crystallized Gold Mines of California


Gold specimens that include visible crystal formations are among the rarest, most attractive and most valuable forms of gold to be found.

All About Trommels and Screens for Placer Gold Recovery


The right speed accumulates only the heavy materials and allows all of the lighter stuff to flow through. This optimum speed is dependent on the size of the gravel you need to move through the system.

A New Method for Handling Stubborn Gravity Middlings


The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.

Speed Prospecting for Hard Rock Gold


An online video gave me some ideas, and with a lot of trial and error I developed a reliable method of panning free gold particles down below 35 microns quickly and easily.

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The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts   • Ask The Experts   • Ask The Experts   • Ask The Experts   • Ask The Experts   • Ask The Experts   • Detecting Nuggets—Overcoming New Challenges   • Retired Geologist Warned Public of Pending EPA Disaster   • Piles of Gold   • AMRA Takes On USFS in Idaho   • Iron Ores and Iron Mining   • Two Men Claim Discovery of Nazi Treasure Train   • Melman on Gold & Silver   • Emergency Dredging Closures in Washington State   • More Gold Recovered Off Florida Coast   • Mining Stock Quotes and Mineral & Metal Prices

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MMAC & PLP Update -- 2015 Minerals and Mining Regulatory Reform Act

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