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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...
Melman on Gold & Silver
July 2012
On a personal level, I have been part of the business, brokerage and financial columnist worlds for 45 years, since the mid-1960s, and in all those years, I have never seen a collection of negative news items similar to what has been published during the past month. In short, taken together they may very well be describing the end of the economic world systems as we know them.
On a personal level, I have been part of the business, brokerage and financial columnist worlds for 45 years, since the mid-1960s, and in all those years, I have never seen a collection of negative news items similar to what has been published during the past month. In short, taken together they may very well be describing the end of the economic world systems as we know them.
WWII Vet & Prospector Still Going Strong
July 2011
Lately I’ve been having success utilizing two types of detectors in succession. The first is a pulse induction (PI) detector with a blanket-style antennae, and I follow it up with a very low frequency (VLF) detector.
Lately I’ve been having success utilizing two types of detectors in succession. The first is a pulse induction (PI) detector with a blanket-style antennae, and I follow it up with a very low frequency (VLF) detector.
Strong Support at Suction Dredge Meetings
December 2009
Just prior to press time, we made our way to Sacramento for the second public scoping meeting to comment on the first draft of the California Department of Fish and Game (DFG) suction dredge permitting program and the new Environmental Impact Report.
Just prior to press time, we made our way to Sacramento for the second public scoping meeting to comment on the first draft of the California Department of Fish and Game (DFG) suction dredge permitting program and the new Environmental Impact Report.
Gold in Guyana—Part I: Porknocking on the Puruni River Road
July 2012
In part one of this two-part series on gold in Guyana, I describe artisanal mining efforts currently winning alluvial gold from small-scale placer operations located along the lower Puruni River and its tributaries.
In part one of this two-part series on gold in Guyana, I describe artisanal mining efforts currently winning alluvial gold from small-scale placer operations located along the lower Puruni River and its tributaries.
The Tonopah Gold and Silver District
October 2009
The discovery of the Tonopah District by Jim Butler in May, 1900, was by far the most important event of its time, just as the discovery of the Comstock was the most important event in the Nevada’s earlier history.
The discovery of the Tonopah District by Jim Butler in May, 1900, was by far the most important event of its time, just as the discovery of the Comstock was the most important event in the Nevada’s earlier history.
Comstock Mining Gets Approval
February 2014
The approval, which affects 87 acres on the south end of Silver City, allows the company to move forward with exploration to determine the area's mining potential.
The approval, which affects 87 acres on the south end of Silver City, allows the company to move forward with exploration to determine the area's mining potential.
Melman on Gold & Silver
May 2004
A very famous quote that appears particularly relevant to the past month is one attributed to former British Prime Minister Harold MacMillan. When asked what could most easily derail a government, he replied, “Events, dear boy, events.” We certainly had events in abundance this past month.
A very famous quote that appears particularly relevant to the past month is one attributed to former British Prime Minister Harold MacMillan. When asked what could most easily derail a government, he replied, “Events, dear boy, events.” We certainly had events in abundance this past month.
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