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Turquoise Mining—Labor Intensive, But Worthwhile

For many years, the US had a historical tradition of small-scale mining. Individuals or small groups of miners would spend part of the year working the higher-grade sections of old mines and ship the high-grade ore to smelters or...

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Following Clues to a Hidden Gold Deposit


Many years ago I was in the American Canyon. I remembered a few details about a placer deposit there, so we decided to make a trip down and re-check some of these old workings.

Detecting Wet Ground Yields More Fun Than Gold


We all continued over to another location at the top of a massive placer operation. Arriving at the draw, I showed everyone where gold had been found before and we all began detecting.

Oregon Dredge Permit Litigation Update


In other words, just like those that move next to an airport and then complain about the noise, Mr. Riskedahl deliberately went out of his way to “witness and document the effects of suction dredge mining,” and when he found some, he was annoyed by it!

The Gold Hill and Iowa Mine, Boise County, Idaho: 1863-1895


In August 1862, prospectors from Walla Walla, Washington, led by George Grimes, discovered gold near the present townsite of Pioneer City. Grimes was killed by Indians shortly after the discovery. The remaining argonauts retreated to Walla Walla. On October 10, 1862, 52 men returned to Grimes Creek. They built a fort and several cabins before continuing their quest for gold.

Some Tips and Tricks for Dredgers: Determining Pulley Size and Belt Length


If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.

Gold Prospecting in Maine - Part II


After cleaning the bedrock I figured it was time for a little peak at the upper mat. We lifted the black rubber flap up and there was gold everywhere.

Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction?


Q: With safety as a given, what can the average miner, or Joe-blow greenhorn do to identify and extract some metals or minerals with off-the-shelf products or natural ingredients?

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