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Bullion River's French Gulch Gold Mine
December 2008 by Chris Ralph
Bullion River is working the old Washington and Niagara properties, together with a number of other smaller historic mines in the French Gulch district. The current underground mine operations are producing an average 35 to 40 tons per day of high-grade ore...
Additional articles that might interest you...
Beryllium in Utah
June 2002
Much of the world’s supply of beryllium is mined by Brush-Wellman, Inc., at Spor Mountain, Utah. The district is in a harsh desert environment which receives only 6 inches of precipitation a year, barely enough to support scrubby desert growth.
Much of the world’s supply of beryllium is mined by Brush-Wellman, Inc., at Spor Mountain, Utah. The district is in a harsh desert environment which receives only 6 inches of precipitation a year, barely enough to support scrubby desert growth.
The Other Minerals of Mt. Diablo
January 2000
Although it is now known that Mount Diablo, located in Contra Costa County in the East Bay region of the San Francisco Bay Area, was the site of the largest coal mining operation in the state during the last half of the 19th century... this majestic focal point... also was the source of other minerals.
Although it is now known that Mount Diablo, located in Contra Costa County in the East Bay region of the San Francisco Bay Area, was the site of the largest coal mining operation in the state during the last half of the 19th century... this majestic focal point... also was the source of other minerals.
Mine Reopening Could Revive Region
September 2000
Cominco American Inc., the U.S. subsidiary of Vancouver, British Columbia-based Cominco Ltd., is seeking regulatory approval to reopen the mine in early 2002.
Cominco American Inc., the U.S. subsidiary of Vancouver, British Columbia-based Cominco Ltd., is seeking regulatory approval to reopen the mine in early 2002.
Ask The Experts—Separating platinum from sands using bubbles
October 2011
I am trying to find any information about using bubbles to separate platinum from sands and small particles. I think it has to have a surfactant in the process. Do you know of this bubble tech?
I am trying to find any information about using bubbles to separate platinum from sands and small particles. I think it has to have a surfactant in the process. Do you know of this bubble tech?
Placer PGMs in Coon Creek, California
November 2004
Lower Coon Mountain is located in the Klamath Mountains, some 10 to 15 miles east of Crescent City (pop. 4,400), which rises to an elevation of 2,841 feet. It is heavily forested except for a few areas that are underlain by serpentine. The mountain, which trends northeast, is bounded on the north by Craigs Creek, and on the south by Coon Creek.
Lower Coon Mountain is located in the Klamath Mountains, some 10 to 15 miles east of Crescent City (pop. 4,400), which rises to an elevation of 2,841 feet. It is heavily forested except for a few areas that are underlain by serpentine. The mountain, which trends northeast, is bounded on the north by Craigs Creek, and on the south by Coon Creek.
PLP Update
March 2020
We’ve heard from miners in Arizona about federal agencies closing off historic roads that provide access for miners, and we need your input.
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