Prospecting & Detecting
VLF Detector Operating Modes
December 2015 by Steve Herschbach
![](http://www.icmj.com/userfiles/images/201512/24-VLF.jpg)
Tips for Detecting Old Hydraulic Pits
![](http://icmj.com/userfiles/images/201210/TOC-hydraulic-pits.jpg)
Speed Prospecting for Hard Rock Gold
An online video gave me some ideas, and with a lot of trial and error I developed a reliable method of panning free gold particles down below 35 microns quickly and easily.
Confluence Placers
![](http://www.icmj.com/userfiles/images/201306/TOC-confluence.jpg)
The Kern River
There are clubs with claims in the area and there’s a section of the river open to the public, but the rest of the area is claimed up so do your research first.
Commercial Placer Mining: Alaska Style
There are currently about 170 commercial-scale placer operations in Alaska. Most of these are small operations with just a few people working; they are often family affairs that operate seasonally only during favorable weather.
Attention to Detail - Part II
![](http://www.icmj.com/userfiles/images/201609/toc-22-attention-to-detail.jpg)
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The Bawl Mill
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• Canadian Company Recovers 1,111-Carat Diamond
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