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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...
Ask The Experts—14-day camping limit
July 2011
I was informed, in a less than friendly manner, that I can only camp on the claim for 14 days of every 90.
I was informed, in a less than friendly manner, that I can only camp on the claim for 14 days of every 90.
Ask the Experts: Ionizing mercury
May 2012
Q: What exactly does "ionizing" mercury mean?
Q: What exactly does "ionizing" mercury mean?
The Bawl Mill
August 2016
• Don't go in the water...
• Don't go in the water...
Legislative and Regulatory Update
February 2018
• Critical minerals a priority
• Montana miners win again
• MSHA backs down
• Environmental groups as foreign agents
Rediscovering Placerville, California
February 2011
Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.
Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.
How Much Gold Is In My Gold-Quartz Specimen?
June 2010
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
Legislative and Regulatory Update
October 2014
• California dredging update
• Study: Sage grouse does not need protection
• Tennessee enacts harsh new gold prospecting regulations
• California dredging update
• Study: Sage grouse does not need protection
• Tennessee enacts harsh new gold prospecting regulations
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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
