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Hardrock Prospecting in El Dorado County, California
September 2010 by Don Robinson
Three times we went back and finally found a clue. There was an old air shaft not far from the trail!
Additional articles that might interest you...
Gold in Gossan
March 2003
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
Clinton Declares Three More National Monuments
February 2000
President Clinton took a helicopter tour of the Grand Canyon yesterday, then put his pen to paper to designate three more areas as national monuments and expand several others.
President Clinton took a helicopter tour of the Grand Canyon yesterday, then put his pen to paper to designate three more areas as national monuments and expand several others.
Ask the Experts: Do "corners" need to be in place on the ground for a claim to be valid?
March 2012
Q: Do "corners" need to be in place on the ground for a claim to be valid?
Q: Do "corners" need to be in place on the ground for a claim to be valid?
The Bawl Mill
March 2003
• War games...
• #%$@*!
• Big hermano is watching...
• War games...
• #%$@*!
• Big hermano is watching...
Alaska Gold: Lisianski Inlet's First Bonanza
January 2019
In 1967, a local resident showed me a pouch of small gold nuggets and flakes. Several years later I asked the same person where that gold was found. He responded, “From the streambed below the old stamp mill at Apex.”
The Financial Repercussions of the WTC Tragedy
October 2001
If the goal of the September 11 terrorists was to inflict maximum damage on the American psyche as well as American economy, they could hardly have picked a better target than the twin towers of the World Trade Center (WTC).
If the goal of the September 11 terrorists was to inflict maximum damage on the American psyche as well as American economy, they could hardly have picked a better target than the twin towers of the World Trade Center (WTC).
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Legislative and Regulatory Update
• Hardrock Mining Accidents Claim Four Lives
• Prospecting Old Tertiary Channels
• The Jenkins Mine Project Pt II: Terrain and Map Study
• Search Called Off for Missing Treasure Hunters
• Glacial Gold in the Midwest
• Gold & Silver of the Comstock Lode
• Melman on Gold & Silver
• Forest Service Pays Miners $245K for Unlawful Destruction of Mine
