All Articles
The Old Dutch Cleanser Mine
January 2003 by Dr. Ralph E. Pray
The naturally occurring white scouring powder called Old Dutch Cleanser, originally from Kern County, California, is a household helper known throughout America. As a sink, stove, and tub cleaner, the abrasive pumicite is one of...
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Contact Information for Oregon Senators
May 2013
Phone or email these Senators and politely express your thoughts and opinions on the pending legislation. (See Legislative and Regulatory Update for more information on the pending legislation.)
Phone or email these Senators and politely express your thoughts and opinions on the pending legislation. (See Legislative and Regulatory Update for more information on the pending legislation.)
Study Confirms Mercury Levels Safe in California's Gold Country
July 2013
While the Water Board documented the selenium levels in fish and noted they exceed the levels of mercury, they have yet to acknowledge the numerous scientific studies that show selenium effectively neutralizes the effects of mercury.
While the Water Board documented the selenium levels in fish and noted they exceed the levels of mercury, they have yet to acknowledge the numerous scientific studies that show selenium effectively neutralizes the effects of mercury.
Melman on Gold & Silver
February 2011
I hope long-term readers would agree that while your columnist does occasionally carry some arguments to an extreme length, I usually stay within the bounds of reason. I am pointing this out because I was struck by an economic vision a few days ago that could test those bounds.
I hope long-term readers would agree that while your columnist does occasionally carry some arguments to an extreme length, I usually stay within the bounds of reason. I am pointing this out because I was struck by an economic vision a few days ago that could test those bounds.
Using A Trommel For Placer Processing
April 2010
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
The Bawl Mill
August 2002
• What budget deficit?
• Congressional underdog...
• More than just 12 angry men...
• What budget deficit?
• Congressional underdog...
• More than just 12 angry men...
Alaska Mining Industry Sees 5% Growth in 1999
April 2000
For the fourth straight year, the state's mining industry broke the billion-dollar mark in revenue, according to a state report.
For the fourth straight year, the state's mining industry broke the billion-dollar mark in revenue, according to a state report.
Prospecting Adventures—Pure Gold
June 2008
I often wonder if I would have felt the same about gold prospecting if my father had introduced me to it at a young age. Would I have the same passion and fascination that I do now? How much further along the learning curve would I be if...
I often wonder if I would have felt the same about gold prospecting if my father had introduced me to it at a young age. Would I have the same passion and fascination that I do now? How much further along the learning curve would I be if...
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• The Ferris-Haggarty Copper-Gold Mine, Grand Encampment District, Wyoming
• Directory of Active Mines in Arizona Available
• Picks & Pans: Gold Prospecting on the East Fork River, Alaska
• Beryllium in Nevada
• Company Notes
• The Cemetery Rush
• Border Silver
• Grandfather John's Notes
• ICMJ's 12th Annual Photo Contest Results
• Tiffany & Co. to Open Plant in Northern Canada
• The Patio
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
