Ask The Experts—Precious metals in water?
February 2011 by Chris RalphHow can I determine if there are precious metals in the groundwater?
Market for scheelite concentrates?
Q: What are the advantages or disadvantages of hand crank vs. battery power vs. blower? And your preference?
Estimating the gold content of ores with gold, quartz and other minerals?
Q: If a high banker is outfitted with a suction hose, is it considered a dredge in CA even if it is sitting on the ground? Also, how do I find the best places to sell raw gold (flour, pickers, nuggets, gold in quartz, etc.)?
The Bawl Mill • Our Readers Say • The Basics of Crushing and Milling Operations • Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum? • Ask The Experts—Jet nozzle or suction nozzle? Which is best for my highbanker? • Rediscovering Placerville, California • Eastern Arizona: Gold and Base Metal Deposits—Part I • Over The Divide—Daryl J. Nelson • Legislative and Regulatory Update • Cyanide-Free Gold Separation • Mining Stock Quotes & Mineral and Metal Prices • Melman on Gold & Silver