Professional Equipment for Serious Detectorists!

Magazine

All Articles

Turning Acid Mine Drainage Into Drinking Water?—Grass Valley Company May Have the Answer

HPT Research recently tested their patented process for treating Acid Mine Drainage (AMD) on thousands of gallons of contaminated water at the Mammoth Mine.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Alaska and Nevada Continue to Lead the Pack


Alaska’s mining industry posted a record-breaking year in 2006, largely because of the high prices for zinc and other metals, state officials said.

Ask The Experts—Studies with summaries and conclusions please...


Q: ...A number of scientific studies have been done that concluded our level of dredging is “not” harmful to fish or habitat. I suggest that the Mining Journal list some of these specific studies with brief summaries and conclusions.

Record-Breaking Alaskan Nugget for Sale


Clay described working the placer claim with his D-6 in 1998, “when this big one just rolled....."

The Tangential Impulse Water Wheel in California Gold Mining History—Part II


Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.

Discoloring Assay Beads


We have developed a discoloring procedure, that makes parting unnecessary in many cases. Our discoloring solution contains sulfur, an element that tarnishes high silver content beads quite rapidly.

The Bawl Mill


• Feds broke own 'controlled' burn rules...
• Suprise, surprise...
• A moving experience...
• Oh, woe is me...

Picks & Pans: Detecting in Kauai, Hawaii


Winter in Alaska! What is an Alaskan gold miner to do? Go somewhere warm to look for gold, that's what!

Subscription Required:
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

Free:
Legislative and Regulatory Update

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue