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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.

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Route Planning Using GPS


My intention was to end this discussion with waypoints and routes, then I found USGS maps of the Plainfield Quadrangle.

Melman on Gold & Silver


Not being a psychiatrist, this writer is not aware of the specific term for a condition laymen refer to as “split personality.” However, whatever that term might be, it would be wholly appropriate for the news background during the past month. We were first subjected to one news story after another that suggested that our economic world was on a truly shaky foundation—and then, suddenly, we were “blessed” with a barrage of positive developments.

Newmont Fined for Fatality


The agency said managers “showed a disregard for the miners’ welfare” and acted with “more than ordinary negligence” before the victim fell through a sinkhole while operating a large loader about 200 feet below the entrance of the mine.

Getting The Most Value From Your Gold-Quartz Specimens


Just simply crushing up all your specimens for their gold content may be a serious waste of potential cash.

Detecting in Australia's Etheridge Goldfield


This remote goldfield covers an area of over 13,000 square miles of the Savanna Gulf country of Far North Queensland, Australia.

Dredge Mining—Current Situation in Idaho


Tomten concedes the scenario of federal environmental agents swooping in on river dredges near historic mining towns like Idaho City, Rocky Bar or Placerville remains unlikely.

Melman on Gold & Silver


This past month has been filled with headline-grabbing news events and, for a change, it was not only politics that dominated those news stories, but rather financial markets themselves, with gold and mining shares grabbing a major share of attention.

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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

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