Small Mining Operations
The Basics of Crushing and Milling Operations
February 2011 by Chris Ralph

The Smell of Gold—Part I

Underwater Reclamation
Working underwater certainly has its challenges, but since I wanted to learn how to blast underwater, I just needed to dive in headfirst and take charge of the operation.
A New Method for Handling Stubborn Gravity Middlings

The 10-Ton Boulder: Expanding Grout Demolition
Imagine you have located a source of virgin placer ore containing immense gold value. Now imagine that there is a 10-ton monolith of extremely hard gneiss in between you and payday.
Hard Work Pays Off On Hard Rock
They worked their plan, bit by bit, and sure enough, after the blast, gold was detected… Over two pounds of beautiful crystalline gold was recovered in that stretch!
Finding Gold in Tailing Piles

To Foam or Not to Foam
George was considering filling his dredge floats with closed-cell foam, ensuring that there would be no area available within each float for flooding.
Subscription Required:
The Bawl Mill
• Our Readers Say
• 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?
• Ask The Experts—Precious metals in water?
• 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