Small Mining Operations
The Challenge of Winter Dredging
November 2016 by Steve Herschbach
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Bering Sea Gold—Part II
In last month’s issue we covered the initial discovery of gold, the subsequent gold rush that occurred around Nome, some of the geology of the area and past production. We’ll conclude the article in this issue with a further examination of the geology and deposit types, discuss the resources...
Resurrecting An Old Hard Rock Mine—Safety Is No Accident
Now it was time for the nerve-wracking part of the job: actually removing anything from the hanging wall we deemed to be in need of removal because it was either loose, could be loose, looked loose, or we felt it was just downright dangerous
Simple Mine Surveying With Basic Hand Tools
…there is an easy way to create a reasonably accurate map without any fancy instruments.
Guinea Africa: Gold, Ebola, and a Monkey Barbecue
![](http://www.icmj.com/userfiles/images/201412/17-guinea.jpg)
Detector Brings New Life to An Old Lode Mine
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
Determining The Optimal Crushing Size for Gravity Recovery
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.
Prospector's Guide to Rock Breaking and Blasting
![](http://www.icmj.com/userfiles/images/201612/10-toc.jpg)
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