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Ask The Experts: Small-scale drilling


Q: What is available to a small prospector? How does one prospect (drill) into the walls of an old hard rock mine to see what is 10 feet beyond...

Ask The Experts—Using classifiers


Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.

Ask The Experts—Amalgamation


Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...

Ask The Experts - How much rock shall I crush to determine the value?


Ask The Experts


Is it possible to use a cell phone GPS away from cell towers?

Ask The Experts: Will this detector work for me?


Q: I live near the Gold Basin area of Arizona. What detector will go deep and be easier to use for small gold? I need some help.

Ask The Experts - This low-grade ore is not worth processing


Subscription Required:
The Bawl Mill   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Finding Gold with a VLF Detector—Part III   • Silver and Base Metal Deposits of the Pioche District   • California Dredgers: A Step Closer to Getting Back in the Water   • Arizona's Youngest...and Oldest Prospector   • Exploring Placers with Auger Drills   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Correction   • Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks

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Legislative and Regulatory Update   • A Few Methods for Sampling Hardrock Deposits   • Protecting Our Access to Public Lands

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