Hardrock Prospecting in El Dorado County, California
September 2010 by Don RobinsonThree times we went back and finally found a clue. There was an old air shaft not far from the trail!
Since 1993, US reliance on imports of raw and processed materials of mineral origin has increased more than seven fold.
Please note that new mining claims filed on or after September 1, 2019, will be subject to the new fee schedule.
• National Strategic and Critical Minerals Production Act
• CA suction dredging update
• Appropriations Bill addresses problems at EPA
• Bad science, worse policy
by Ronald F. Balazik
Excerpted from USGS Mineral Industry Survey's 1998 Annual Review
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