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Ask The Experts — How have fellow dredgers modified their dredges in order to retain fine gold?
March 2008 by David Knowlen
Q: In the article by David Knowlen, “There’s Still Gold in the Umpqua River,” January 2008, the author stated that “most conventional dredges with normal angles of sluice setup do not retain this gold.”...Additional articles that might interest you...
North Korea Seeks Outside Help to Modernize Mining
March 2002
Eager to earn hard currency, isolated North Korea is trying to modernize its decrepit mining industry with foreign help.
Eager to earn hard currency, isolated North Korea is trying to modernize its decrepit mining industry with foreign help.
Montana Mining Association Raising Cash
October 1999
The Montana Mining Association is trying to raise more than $150,000 to pay lawyers to continue the battle to overturn Initiative 137, the 1998 ballot issue that banned cyanide processing at most new or expanded gold mines.
The Montana Mining Association is trying to raise more than $150,000 to pay lawyers to continue the battle to overturn Initiative 137, the 1998 ballot issue that banned cyanide processing at most new or expanded gold mines.
Mutiny on The Mason
February 2019
We decided to check some spots that were pretty good to us on previous trips. The detector was deceptively simple with few buttons and auto-ground balance.
Melman on Gold & Silver
April 2014
The idea of decisive action in 2014 will be at the heart of my presentation at the ICMJ Gold Prospecting and Mining Summit of April 5-6 in Placerville. I look forward to meeting you all then.
The idea of decisive action in 2014 will be at the heart of my presentation at the ICMJ Gold Prospecting and Mining Summit of April 5-6 in Placerville. I look forward to meeting you all then.
Our Readers Say
February 2004
• "...large advances have been made in the field of micron gold recovery..."
• "I enjoy the technical information..."
• "...large advances have been made in the field of micron gold recovery..."
• "I enjoy the technical information..."
Using Sucker Guns to Find Gold
November 2013
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
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The Bawl Mill
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• Gryphon Gold and the Borealis Project
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• Conducting Research To Find New Gold Deposits
• New Tax Considerations For Your Mining Business
• Searching for Gold at Paradise Valley, Alaska
• The Carson City Mint
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
