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Detecting Invisible Gold

Olinghouse gold specimen.The technology certainly has improved quite a bit over the years, so when these owners are testing various types of gold on their machines and they find that some gold responds poorly or not at all...

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The Suction Gold Dredging Fight Continues in California


The story is similar to what has played out over the past several years. The Karuk Tribe of northern California, with the support of several environmental and fishing groups, sues the California Department of Fish & Game in an attempt to stop suction gold dredging in the state. At the same time, they find a state legislator sympathetic to their cause and persuade the legislator to introduce a bill to stop suction gold dredging.

Hands-on at Iowa Hill


A number of crevices were still waiting to be cleaned out. A lot of the gold remaining in the pit was very fine sized, but a few small nuggets were also recovered.

Hunting for Gold in the Quartzsite Area of Western Arizona


Winters are a great time to explore the hills in the area of the Middle Camp, Oro Fino and La Cholla placers on the southern flank of the Dome Rock Mountains.

Champions Crowned at the California State Gold Panning Championships


By the end of the day Sunday there were a lot of tired panners! By then they could have panned more than 10 times to continue to advance. This was not a picnic!

Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

In Pursuit of Gold and Silver in the Sierra Madres—Buying the Pilot Mill


In 2005, my wife and I, along with our supervisor Horacio, made numerous business and supply trips from Arivechi, Sonora, to the capital of Sonora, Hermosillo. This is a distance of 135 miles along a very narrow paved mountain road.

Gold Prospecting for Better or Worse: All Work and No Pay


At first we decided to see what the flat by our camp would produce where the old-timers had worked it with their Pelton wheel and dragline buckets.

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