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Detecting Invisible Gold
April 2009 by Chris Ralph
![Olinghouse gold specimen.](/UserFiles/file/200904/olinghouse-gold-specimen(1).jpg)
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
![](http://icmj.com/userfiles/images/201106/hands-on-toc.jpg)
Hunting for Gold in the Quartzsite Area of Western Arizona
![](http://www.icmj.com/userfiles/images/201310/TOC-Quartzsite.jpg)
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
![](/UserFiles/file/200707/Table-Contents-24-Pursuit.jpg)
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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