Prospecting on the North Yuba

December 2011 by Don Robinson

Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board

April 2013
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.

Lost Sally's Gold

December 2015
She said a few thoughts did cross her mind at the time; she thought maybe she should have looked more thoroughly for that hand-drawn map to the claim that we had given her the previous year.

Prospecting on the North Yuba

December 2011
The research I did for “Gold in the Slate Creek Basin” (September 2011 issue) found me chasing a channel out of the LaPorte territory headed towards the old mining town of Brandy City, California.

A Few Pointers About Cracks and Crevices

October 2013
Because these crevices catch and hold gold so well, it's worthwhile to learn how they form, which ones are good for catching gold and which ones are not.

California: The Land of Big Nuggets—Part I

December 2017

The nugget sat there in plain sight, though it was covered in dirt, while hundreds of people had passed that way every day.

Metallic Trash—Scourge of the Prospector

July 2012
I had been busy representing the Prospecting and Mining Journal this spring, but prospecting season finally arrived and I’ve been out digging for nuggets—I’ve even found a few. I know a number of prospectors who are armed with new metal detectors and headed to the hills to look for that precious yellow stuff.

Coprolite—A Prospector's Tale

February 2014
Gold nuggets come in all forms, but I never expected that dinosaur nuggets would too, and at a decent price.

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