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Exploring La Trinidad Mine
January 2008 by Don Robinson
This was a trail for a mountain goat. It was wide enough for a person to travel, clear enough except for lots of broken shale, but steep, really steep. I was beginning to question my sanity as the eight of us dropped almost 1,200 feet down the mountainside in order to locate La Trinidad Mine. Just as it seemed we might have missed it, there it was in all its glory.Roosevelt: From Boom Town to Mountain Lake
Roosevelt was a product of the Thunder Mountain boom, Idaho's last major gold rush.
Understanding Skim Bar Placers
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
Successful Detecting Requires Attention to Detail—Part I
So much of gold detecting depends on attention to detail. Every gold area offers its own distinct geological markers and as prospectors we must pick up on those markers.
The Skaergaard Intrusion
First put on the map by two British geologists in the 1930s, the Skaergaard igneous intrusion on East Greenland’s rugged mountainous coast is arguably one of the most studied and researched rock bodies in the world.
No Mining / Logging on 40 Million Acres
Roadless areas in 35 states would be affected under the plan.
Convention Report
Mining conferences frequently reflect specific types of information as their focus, and our publication was recently represented at two such contrasting gatherings, the Manitoba Mining and Minerals Conference in Winnipeg, Manitoba and the Northwest Mining Association Convention in Spokane, Washington.
Melman on Gold & Silver
All in all, these spending proposals, combined with those already approved, could bring total spending for the current budget year to around $8 trillion—by far the highest level ever recorded in America’s history.
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The Journal Welcomes Chris Ralph as Associate Editor
• The Bawl Mill
• Global Hunter
• New Study of the Formation of Nuggets—Part II
• Michigan DEQ Approves Upper Peninsula Mine
• Let’s Go Crevicing for Gold
• Mining Restrictions Lifted in Southwest Alaska
• Silver Bonanza in the Sierra Madre: The Glorious Past of Batopilas—Conclusion
• 2007 Annual Photo Contest Winners
• There’s Still Gold In Oregon’s Umpqua River
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
