All Articles
Oregon Dredgers Receive Threats From Environmentalists
June 2004 by Scott Harn
Oregon dredgers have been receiving notices of intent to sue for violations of the Clean Water Act (CWA) from the Northwest Environmental Defense Center (NEDC).
The Elusive Mother Lode
With history so often repeating itself, you can’t go wrong searching for gold using modern exploration techniques and exploration theories in regions of historic gold activity.
Ask The Experts—What is a "closed" claim?
Q: I’ve been using a computer program that lists both active and closed mining claims. Can you tell me the definition of a closed claim and why they would be shown?
Utah's Crescent Creek Placers
The Crescent Creek placers are considered to be one of Utah's few commercial grade placers, but they are marginal and difficult to work at a profit.
Tucson Mountain Chaos
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
Ask the Experts
Ore testing and other advice for starting up a mining operation.
The Guaniamo Diamond Area, Venezuela—Part II
The apparent high grade of the ore deposits and the quality of the diamonds seem to clearly indicate that a profitable mining venture could be established on the kimberlite sills...
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• Zeballos Gold Camp, British Columbia
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• Understanding Hard Rock Mining: Terms and Methods—Part I
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• Reinventing the Wheel—The Infinity-Jet
• Company Notes
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• Placer Platinum
• Here Come the MineBots
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• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
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