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Hardrock Prospecting in El Dorado County, California

Three times we went back and finally found a clue. There was an old air shaft not far from the trail!

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USGS Reports Increase of Imported Minerals


Since 1993, US reliance on imports of raw and processed materials of mineral origin has increased more than seven fold.

Reminder: Annual Claim Filings Due


Please note that new mining claims filed on or after September 1, 2019, will be subject to the new fee schedule.

Mining Stock Quotes and Mineral & Metal Prices


Legislative and Regulatory Update


• National Strategic and Critical Minerals Production Act
• CA suction dredging update
• Appropriations Bill addresses problems at EPA
• Bad science, worse policy

Ask The Experts - Can you explain colloidal gold?


Gemstones


by Ronald F. Balazik
Excerpted from USGS Mineral Industry Survey's 1998 Annual Review

How to Stake Your Own Mining Claims—Part I


Many new prospectors start out prospecting in public areas and club claims, and this is perfectly fine, but the next step in the progression of becoming an experienced prospector is to locate and stake your own mining claims. 

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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

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The Bawl Mill   • Alaska's Hope-Sunrise Mining District

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