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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.”...Proper Placer Sample Processing
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The Bawl Mill
• From makers to takers
• Ministry of Mother Earth
• Where not to invest
The Bawl Mill
• Judge in Bundy/Gold Butte trial takes it one step further
• No real loss for the National Park Service
• Time to redefine “non-essential”
• Who’s in charge of the button?
We’re Still Thinking About It
We have learned over the years, of course, that “previous development,” “roadless,” and “local support,” are in the mind of the beholder.
Prospecting for Silver With a Geiger Counter
Light-colored volcanic tuff or tuffaceous sandstone often contains small amounts of uranium, enough to be detected with a sensitive radiation detector. Sometimes, the mass effect of the radiation is substantial.
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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
