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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...
Ask The Experts
September 2016
• Is there a single book that covers most aspects of mining and recovery?
• Is there a single book that covers most aspects of mining and recovery?
Time for a New Approach: Detecting Float Gold
September 2013
The first pieces found were in a spot that most gold hunters would not even detect, right in the middle of a downslope meadow.
The first pieces found were in a spot that most gold hunters would not even detect, right in the middle of a downslope meadow.
Which Nugget Detector Should I Get?
June 2013
The most commonly asked question in metal detecting is, “Which metal detector should I get?” People worry a lot about not getting the right machine. They do not want to waste their money and their time with the wrong metal detector.
The most commonly asked question in metal detecting is, “Which metal detector should I get?” People worry a lot about not getting the right machine. They do not want to waste their money and their time with the wrong metal detector.
Legislative and Regulatory Update
May 2019
- Bernhardt confirmed
- State of Montana to appeal Rock Creek decision
Detecting Canyon Bedrock in The Sierras
September 2018
My plan was to go up the canyon along a ridge and then drop into the canyon whenever I came across a spot that might give me reasonable access.
Melman on Gold & Silver
November 2016
On a similar vein, while the number of new non-farm jobs created rose by a modest 156,000 in September, it must be pointed out that Goods Production Payrolls rose by only 10,000 jobs while much lower paying service jobs accounted for the other 146,000.
On a similar vein, while the number of new non-farm jobs created rose by a modest 156,000 in September, it must be pointed out that Goods Production Payrolls rose by only 10,000 jobs while much lower paying service jobs accounted for the other 146,000.
Using A Trommel For Placer Processing
April 2010
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
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The Bawl Mill
• Ask The Experts — Could you please include the stock symbol in "Mining Stock Quotes"?
• Gryphon Gold and the Borealis Project
• A Modern Day Prospector’s Story
• 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
