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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...
Platinum Prices Could Spur Wyoming Rush
April 2000
Rising platinum prices could lead to a rush in southeastern Wyoming, one of the few places in the world where the metal is found, a state geologist said.
Rising platinum prices could lead to a rush in southeastern Wyoming, one of the few places in the world where the metal is found, a state geologist said.
Collecting Garnets in Wyoming
April 2000
In Wyoming, garnets are often common where aluminum-rich (micaceous) rocks have been highly metamorphosed. Such rocks are recognized by abundant black (biotite), silver (muscovite), or green (chlorite) mica with periodic grains of red garnet.
In Wyoming, garnets are often common where aluminum-rich (micaceous) rocks have been highly metamorphosed. Such rocks are recognized by abundant black (biotite), silver (muscovite), or green (chlorite) mica with periodic grains of red garnet.
Testing Ores for Free Gold
December 2011
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...
Spanish Police Seize Ship in Treasure Fight
August 2007
Spanish Civil Guards heightened a battle over a $500 million treasure of gold and silver coins from a shipwreck when they seized a vessel belonging to a Tampa, Florida company.
Spanish Civil Guards heightened a battle over a $500 million treasure of gold and silver coins from a shipwreck when they seized a vessel belonging to a Tampa, Florida company.
Legislative and Regulatory Update
January 2014
• Pacific Legal Foundation joins effort to overturn California dredging moratorium
• PLP fund drive continues
• Pacific Legal Foundation joins effort to overturn California dredging moratorium
• PLP fund drive continues
Mining Stock Quotes and Mineral & Metal Prices
November 2013
BLM Proposed Rule Making Affects Mining Claims
October 1999
In this proposed rule, BLM is seeking to amend regulations to respond to a recent law that continues to require claimants to pay location and maintenance fees on unpatented mining claims or sites and to provide annual maintenance fee waivers to small miners until September 30, 2001.
In this proposed rule, BLM is seeking to amend regulations to respond to a recent law that continues to require claimants to pay location and maintenance fees on unpatented mining claims or sites and to provide annual maintenance fee waivers to small miners until September 30, 2001.
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The Bawl Mill
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