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Wyoming's Billion Dollar Nugget—The Trilogy Ends

The next hurdle to jump was whether the trommel motor would start again after sitting on the desert for six years without being started. The last time it had taken a three foot pipe wrench to bust it loose.

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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.

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.

How to Field Evaluate A Placer Property


If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.

Comments on Gold Rush and Bering Sea Gold Series


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The Subsurface Suction Dredge


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From Curiosity to Mine Owner


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Lode or Placer: What Difference Does It Make?


This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.

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