All Articles
Turning Acid Mine Drainage Into Drinking Water?—Grass Valley Company May Have the Answer
September 2000 by Staff
HPT Research recently tested their patented process for treating Acid Mine Drainage (AMD) on thousands of gallons of contaminated water at the Mammoth Mine.BLM Cancels 10-Million-Acre Sage Grouse Mineral Withdrawal
The very way it was done at the time didn’t give one much confidence in the objectivity and honesty of the BLM study.
Dawson City and the World Gold Panning Championships
Each year the World Gold Panning Association (WGPA) holds a world championship in one of the twenty countries that are members. The decision as to where to hold each championship involves many factors...
Ask The Experts
Is a miniature spectrometer in our future?
Corralling Those Pesky Platinum Group Metals
Some assay beads disappear, collapse, hide under the surface, or spread out flat while being cupelled, just as the last tiny bit of liquid litharge is driven off. This is especially true of platinum, iridium and osmium, when attempting to re-bead the filtered residue from a parted bead.
Dredging Therapy
The big moment finally arrived. With Norm suited up, I pulled the motor to life and felt instantly better. There’s really something relaxing about the sound of a dredge running—they don’t sound like anything else.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
A Guide to Overlooked Gold Deposits—Part II
The following are situations that the modern prospector would do well to research. Some specific areas are described, but more importantly they present background into what the author feels are worthwhile and generally overlooked situations...
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The Bawl Mill
• Over the Divide
• A Word from the Editor
• Guest Editorial—Globalizing Mining in America, Part II
• Gold Point, Nevada—A One-Man Mining Town Restoration
• Rare Coin Makes a Mint at Auction
• Letter to the Editor
• Jackson Hole Gold, Wyoming
• Picks & Pans: Big River Dredging in Northern California
• Fake Assays & Assayers
• Everything You Need to Know About Gold Wheels
• Exceptional Gold Dredging in New Zealand
• Lightning Creek, British Columbia
• Mine Reopening Could Revive Region
• Willow Creek Dredging Trip
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• More Treasure From Sunken Ship
