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...
Additional articles that might interest you...
Legislative and Regulatory Update
November 2000
• More National Monument news
• Land-use advocates file another suit over National Monuments
• NWMA's Linda Skaer addresses EPA in northern Idaho
• More National Monument news
• Land-use advocates file another suit over National Monuments
• NWMA's Linda Skaer addresses EPA in northern Idaho
Lucky Shot Mine and the Willow Creek Plutons
March 2007
Once a thriving mining community, the town of Lucky Shot, Alaska, also known as Kellyville, is nowhere to be found today. Buildings were either hauled away or burned. The snow loads of the Talkeetna Mountains crushed some of...
Once a thriving mining community, the town of Lucky Shot, Alaska, also known as Kellyville, is nowhere to be found today. Buildings were either hauled away or burned. The snow loads of the Talkeetna Mountains crushed some of...
Underground Mining: Stoping Methods
October 2016
In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.
In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.
Discoloring Assay Beads
October 2001
We have developed a discoloring procedure, that makes parting unnecessary in many cases. Our discoloring solution contains sulfur, an element that tarnishes high silver content beads quite rapidly.
We have developed a discoloring procedure, that makes parting unnecessary in many cases. Our discoloring solution contains sulfur, an element that tarnishes high silver content beads quite rapidly.
Ask The Experts—Compensation for closed mining claim?
November 2011
Q: I have a gold claim that the BLM just closed. Should I get compensation for the value of the claim?
Q: I have a gold claim that the BLM just closed. Should I get compensation for the value of the claim?
Mining Stock Quotes and Mineral & Metal Prices
September 2009
Guest Editorial—California "Special" Dredge Permits in Jeopardy
December 1999
by Dennis J. Raff
Executive Director,
Horseshoe Bar Action & Research (HBAR)
by Dennis J. RaffExecutive Director,
Horseshoe Bar Action & Research (HBAR)
Subscription Required:
The Bawl Mill
• Our Readers Say
• California Wilderness Coalition and The Nature Conservancy Recruit Government Employees to Carry Out Huge Land Grab
• Drywashing Rules Clarified
• Mineralized Calderas in Colorado
• The Keystone Gold-Copper District, Medicine Bow Mountains, Southeastern Wyoming
• Gold in Oregon
• Aussie Gold—A Look at the Northern Territory
• The Phoenix Gold Mine: A Brief History
• Calico Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
