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The Golden Triangle of Sonora, Mexico
May 2001 by Edgar B. Heylmun, PhD
The “Golden Triangle” dry placer district in Sonora, Mexico, lies some 80 to 100 miles south of the border. It is in desert terrain at elevations between 1,900 and 2,300 feet above sea level.
ICMJ's 12th Annual Photo Contest Results
The Bawl Mill
• Set for life...at everyone else’s expense
• As long as we’re giving away money...
• Consulting pays well in NY
• The old bait and switch...
• Not an enviable record
Let’s Go Crevicing for Gold
People have been looking for gold in every manner possible since the big gold boom in 1849, so what chance do we have of getting anything in today’s world where literally thousands of prospectors and fortune seekers have been before us?
Ask the Experts
Gold and silver in Pennsylvania
Critical Metals: Zinc
In this article, part of an ongoing series taking a look at critical metals in our economy, we will examine the mining and use of the metal zinc.
Melman on Gold & Silver
Whatever sense of security and peace the Western World had managed to restore was shattered on July 7, when four bombs were detonated on three trains and a double-decker bus in London, England, killing an estimated 70 people and injuring another 700.
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The Bawl Mill
• Original Sixteen to One Goes to Court—Challenges MSHA Citations Part II
• Using Legal Subdivision
• Placer vs. Lode Gold
• Gold Tellurides: Tellurium, an Assay Impurity
• Court Hears Arguments Over Rights to Shipwreck
• Picks & Pans: How to Succeed in a Small Mine, A Case History: 1990-2000
• Charcoal Crucible Recipe
• Discovery of the Mountain Pass REO Deposit
• Romance of the Old Silver King
• Record-Breaking Alaskan Nugget for Sale
• Company Notes
• Nevada Gold Production Up Despite Lower Prices
• Gold in Guatemala
• Bush Taps Utah Resident for Labor Post
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Honda Pares Down Use of Precious Metals in Autos
