All Articles
The History of Gold Mining in Sierra County
February 2010 by Frank Lorey III

Ask the Experts
Bacterial gold
Extraction of Precious Metals Using Froth Flotation

Dredging Tips and Tricks: A Measure of Water Pump Efficiency
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
The Bawl Mill
BLM Raises Location and Claim Fees
The Bureau of Land Management announced an increase in location filing fees and annual maintenance fees for unpatented mining claims, mill sites and tunnel sites.
Using Favorable Rock Types to Find More Gold
The more experienced prospectors know these lesser known spots are the types of places where big finds are still made.
Silver and Base Metal Deposits of the Pioche District

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