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Designing and Evaluating Placer Gold Recovery Plants

For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...

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Gold Deposits of Montana


Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.

The Jenkins Mine Project, Conclusion—Recovery Operations & Summary


This project taught me that you don’t need to be Albert Einstein to apply a little science to your prospecting. I learned that most of the science related to suction dredging is actually common sense. All we need to do is take the time to apply it.

Prospector's Guide to Rock Breaking and Blasting


The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.

To Foam or Not to Foam


George was considering filling his dredge floats with closed-cell foam, ensuring that there would be no area available within each float for flooding.

PLP Update: How to Restore The Rights of Suction Dredge Miners


A two-pronged approach is necessary to restore suction dredging; federal preemption needs to be established as addressed above via petition; and clarification from the EPA is needed to establish that no Section 402 permit is necessary when there is no “addition” of a pollutant.

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.

Ophir—Possibly the Best Kept Secret in Alaska—Part II


I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.

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The Bawl Mill   • Ask the Experts   • Ask the Experts   • Taking on the EPA, Sasquatch, Ratchilla and Gold Dredging   • Gully Prospecting and Mining   • Wilfley Tables—Repair, Rebuild & Set Up   • Finding Streams of Gold   • This is Why You Check Your Tailings   • Lode or Placer: What Difference Does It Make?   • New Rules to Impact the Lease/Buy Decision   • There's a First Time for Everyone   • Appeals Court OKs Permits for Upper Peninsula Mine   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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