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.Detecting at Old Hydraulic Mines
I finally got out recently for my first full, long weekend prospecting trip of the year. Normally I would have been out much sooner, but we had a real late spring in the Sierra Nevada this year with lots of late rain and snow continuing through all...
The Bawl Mill
• Credit card abuse is sky high...
• Expensive new bill
• Senators reward themselves with another raise
Old-Time Mining Geology Books
Geology books are best used by geologists, but many of the old-time books can be understood by most anyone who has an interest in rocks and minerals. Certain words or phrases may stump the layman, but just skip those parts and go on to the portions of the books that are easily understood. Some of the old-time mining geology books should be in every small miner’s collection.
Gold in Panama
Panama is a long, narrow isthmus, 30,200 square miles in area, that separates Costa Rica from Colombia. It is best noted for the Panama Canal, which is now under the control of the Panamanian government, aided by the United States. The canal bisects the country and is an engineering marvel that was opened in 1914.
Metal Detector Testing Methods
It will not be any easier than on your table at home, and so testing a very small test target like the ballpoint pen can tell you immediately if a detector is suitable for looking for tiny gold nuggets.Legislative and Regulatory Update
• Forest Service proposes next step in Agenda 21
• 9th Circuit deals blow to small miners
Subscriber Locates Large Diamond at Arkansas Diamond Park
Worthington was washing gravel that he’d dug out of the park’s east drain, a low area in the park’s diamond search area, when he found the yellow diamond in his screen. It was in the last bucket he planned to wash before shutting down for Easter weekend.
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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
