Prospecting & Detecting
Nice Specimen Gold Recovered in Northern California
September 2017 by Scott Harn
Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.
Going Over Old Ground With Newer Technology
When we got set up and I started to swing the coil over a small mound, I got a good signal, faint but repeatable.
The Art of Underwater Nugget Shooting
![](http://www.icmj.com/userfiles/images/201602/11-underwater-nugget-shooting.jpg)
Eolian Placer Gold
![](http://www.icmj.com/userfiles/images/201202/TOC-eolian-placer-gold.jpg)
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Pros and Cons of Big Detector Coils
![](http://www.icmj.com/userfiles/images/201612/19-toc.jpg)
Prospecting for Liberated Gold
![](http://www.icmj.com/userfiles/images/201511/56-prospecting-for-liberated-gold.jpg)
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The Bawl Mill
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