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 Piedmont region of the eastern United States extends for over 800 miles, from Alabama northeast to Pennsylvania. It includes the rolling country between the flat coastal plain to the east and the Blue Ridge Mountains to the west.
The areas that were mineralized with the bedded ore were huge and vast tonnages were indicated, although they had no idea at the time.
While the Water Board documented the selenium levels in fish and noted they exceed the levels of mercury, they have yet to acknowledge the numerous scientific studies that show selenium effectively neutralizes the effects of mercury.
• IBLA rules against miner for "late" filing
• Wyoming appeals roadless decision
• Mercury reduction program slated for California
• Oregon wilderness
• Oregon miner prevails in lawsuit against Forest Service and District Ranger
• Canada pulls out of Kyoto Climate Treaty
PLF has been hard at work improving our Endangered Species Act Reform Project (ESARP), which is why you haven’t heard from us over the past few months.
I have a slight mental disorder. It causes frequent lapses in common sense, good judgment and bouts of high fever—gold fever.
• Reality show or reality?
• Big brother pays well...
• "Less is more" is really less
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