All Articles
Picks & Pans: Mining Tungsten Ore—A Case History
May 2002 by Dr. Ralph E. Pray
In 1977, when the price of tungsten hit one of its highs, three of us formed U.S. Western Mines to look for scheelite, the mineral ore of tungsten. Union Carbide Corporation was purchasing raw tungsten ore at...
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The Saga of Sand Mountain
April 1999
The Nevada Historical Society's
"This Was Nevada" Series
The Nevada Historical Society's
"This Was Nevada" Series
Gryphon Gold and the Borealis Project
March 2008
Strange things do indeed occur. Here we were in western Nevada’s Walker Lake District, normally one of the driest areas for mining operations in America, and we couldn’t access a sizeable portion of Gryphon Gold’s project areas due to...
Strange things do indeed occur. Here we were in western Nevada’s Walker Lake District, normally one of the driest areas for mining operations in America, and we couldn’t access a sizeable portion of Gryphon Gold’s project areas due to...
Hijackers Make Off With 660 Pounds of Gold
December 1999
Ten heavily armed men hijacked a plane November 5th, making off with 660 lbs of gold worth an estimated $2.3 million...
Ten heavily armed men hijacked a plane November 5th, making off with 660 lbs of gold worth an estimated $2.3 million...
Designing and Evaluating Placer Gold Recovery Plants
September 2014
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
Placer Gold in the Black Hills, South Dakota
March 2001
During the Indian Wars in 1874, General George Custer and his men camped on French Creek in the southern Black Hills, near the present site of Custer, South Dakota. Two of his men found placer gold in French Creek. Word got out, and before long, a party of prospectors arrived. However, the government had signed a treaty with the Sioux Indians to stay out of the Black Hills. This led to prospectors sneaking in and working creeks all over the region at their own risk.
During the Indian Wars in 1874, General George Custer and his men camped on French Creek in the southern Black Hills, near the present site of Custer, South Dakota. Two of his men found placer gold in French Creek. Word got out, and before long, a party of prospectors arrived. However, the government had signed a treaty with the Sioux Indians to stay out of the Black Hills. This led to prospectors sneaking in and working creeks all over the region at their own risk.
History of Mining—Bradshaw Mountains, AZ (Part I)
November 2000
The Bradshaw Mountains, southeast of the old territorial capital city of Prescott, contain traces of many old mines and the railroads that were built to serve them.
The Bradshaw Mountains, southeast of the old territorial capital city of Prescott, contain traces of many old mines and the railroads that were built to serve them.
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The Bawl Mill
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