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The San Juan Mountains, Colorado
September 2001 by Edgar B. Heylmun, PhD
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.
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Melman on Gold & Silver
October 2015
Recent reports could be pointing toward a genuinely important change in direction for the American economy and it is a change that could be positive for the precious metals over time.
Recent reports could be pointing toward a genuinely important change in direction for the American economy and it is a change that could be positive for the precious metals over time.
Melman on Gold & Silver
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What a month! It seemed as if one headline after another dwelled on one, and only one subject, that of the environmentalists’ concern over “global warming.” Politicians changed directions, mass demonstrations were held, Al Gore moved to the top of the media hit parade, and lawmakers were warming up to the task of revolutionizing our lives with torrents of new laws, regulations and policies.
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Understanding Hard Rock Mining: Terms and Methods—Part II
July 2004
A better understanding of hard rock mining methods and knowing a little about how these mines work can help the individual prospector to understand reports and stories about both modern and historic mine operations.
A better understanding of hard rock mining methods and knowing a little about how these mines work can help the individual prospector to understand reports and stories about both modern and historic mine operations.
Potential Gold at Old Hydraulic Sites
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So why would a modern-day prospector want to learn about a method of mining that was banned by the courts more than a century ago?
So why would a modern-day prospector want to learn about a method of mining that was banned by the courts more than a century ago?
Ask The Experts
July 2015
Q: Is there a correlation between fault zones and mineralization of economic metals?
Q: Is there a correlation between fault zones and mineralization of economic metals?
The Bawl Mill
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• Don't expect Santa to be healthy this Christmas
• Fast-food delivery
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• Don't expect Santa to be healthy this Christmas
• Fast-food delivery
• Just in time for the holidays
New Study of the Formation of Nuggets—Part II
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Last month we took a look at the origins of coarse gold nuggets and the results of some new science about how they form. This new information pointed out that many nuggets once thought to be of secondary origin are formed under hot conditions...
Last month we took a look at the origins of coarse gold nuggets and the results of some new science about how they form. This new information pointed out that many nuggets once thought to be of secondary origin are formed under hot conditions...
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The Bawl Mill
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• Guest Editorial—Vertical Disintegration
• USGS Reports Increase of Imported Minerals
• A Silver Opportunity
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• Picks & Pans: DEF Prospectors Rally Was a Huge Success
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• Our Nugget Shooting Adventure
• How PGMs Affect Assay Beads
• Fly Fishing the Mine Tailings/Headwaters of the Clark Fork, Montana
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices







