All Articles
The Tangential Impulse Water Wheel in California Gold Mining History—Part I
February 2004 by Guest Writer
The modern tangential impulse water wheel, a device best suited for hydroelectric power production where high water head is available, is an ingenious device born in the historic gold mining industry of California in the 19th Century.Additional articles that might interest you...
Dry Lakes in Nevada
October 1999
Desert dry lakes are the final resting place for many of the metals and compounds found within their drainage basins. Some, like Humboldt and Carson Sinks, have enormous drainage basins which include may highly-mineralized districts.
Desert dry lakes are the final resting place for many of the metals and compounds found within their drainage basins. Some, like Humboldt and Carson Sinks, have enormous drainage basins which include may highly-mineralized districts.
Placer Platinum
June 2004
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
Mining Stock Quotes and Mineral & Metal Prices
September 2002
Mining Stock Quotes and Mineral & Metal Prices
August 2015
Our Readers Say
December 2016
“When dealing with federal agencies...”
“When dealing with federal agencies...”
Melman on Gold & Silver
September 2005
Every financial writer enjoys a few moments of pleasure when one of his predictions is validated by the markets and your columnist is no exception.
Every financial writer enjoys a few moments of pleasure when one of his predictions is validated by the markets and your columnist is no exception.
DEF Has Another Successful Year
September 2002
A relaxing trip was long overdue. The deadlines associated with assembling a magazine each month tend to wear on you after awhile. I needed a break. Several organizers of Dredge Earth First were...
A relaxing trip was long overdue. The deadlines associated with assembling a magazine each month tend to wear on you after awhile. I needed a break. Several organizers of Dredge Earth First were...
Subscription Required:
The Bawl Mill
• Our Readers Say
• Buying or Investing in Mineral Properties
• The Joy of Prospecting
• Company Notes
• Picks & Pans: Rattlesnakes in a Gold Camp
• Old-Time Mining Geology Books
• Ask the Experts: Recommended Reading—Part I
• Consider Adding Gold to Your Portfolio
• US Files Charges Against Gold Refiner
• Gold in Australia
• Gold in Rotten Rock
• Restoring the Rule of Law to US Mining
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
