Turning Acid Mine Drainage Into Drinking Water?—Grass Valley Company May Have the Answer
September 2000 by StaffHPT Research recently tested their patented process for treating Acid Mine Drainage (AMD) on thousands of gallons of contaminated water at the Mammoth Mine.
The gem miner who uncovered North America’s largest emerald thinks he’s found a mother-lode of emerald-rich rock in Alexander County.
British Columbia is poised for a “golden decade” in forestry and mining, Premier Gordon Campbell says.
It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.
The historic mining town of Cripple Creek (population 600) is 43 miles, by paved highway, west of Colorado Springs, almost two miles high in the Colorado Rockies.
There was a foreign presence at the annual Northwest Mining Association convention in December.
A treasure detective, like any detective, is looking for a clue from which he can develop information to solve a mystery. Who? Why? When? The detective sniffs out a trail that will lead eventually to some undiscovered cache of coins...
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
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