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Looking Back
September 1999 by Staff
Excerpts from California Mining Journal, our original title, published 50 years ago this month.Prepping Your Gold Detecting Spots
All bedrock cracks that appear to be wide and deep should be cleaned out completely, and if you cannot clean it out thoroughly then you should break the bedrock apart…
Gemstones
![](http://www.icmj.com/userfiles/images/199910/TOC-gemstones.jpg)
Excerpted from USGS Mineral Industry Survey's 1998 Annual Review
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The Bawl Mill
• Even Navy Seals aren't safe from hackers
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Using A Blasting Machine in Rock Breaking
Whatever system you plan to use will require a way to safely initiate the explosives from a distance. In this article, we’re going to learn the basics of electric blasting and get a hands-on example…
California State Gold Panning Championships
This year’s 2015 California State Gold Panning Championships were wild and hectic.
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