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Understanding Hard Rock Mining: Terms and Methods—Part II
July 2004 by Chris Ralph
A better understanding of hard rock mining methods and knowing a little about how these mines work can help the individual prospector to understand reports and stories about both modern and historic mine operations.
Additional articles that might interest you...
Pickering Bar Revisited
August 2008
Pickering Bar on the North Fork of the American River is a fascinating place. It’s remote, taking almost two hours to get there from the small mining town of Iowa Hill, which is in Placer County, California.
Pickering Bar on the North Fork of the American River is a fascinating place. It’s remote, taking almost two hours to get there from the small mining town of Iowa Hill, which is in Placer County, California.
USFS Chief in Nevada
April 2000
USFS Chief Michael Dombeck held 2 invitation only meetings in February in Elko and Reno. Nye County commission chairman Dick Carver was present at the Reno meeting, along with Bob Hadfield, executive director of the Nevada Association of Counties, and John Fallon of the Cattlemen's Association.
USFS Chief Michael Dombeck held 2 invitation only meetings in February in Elko and Reno. Nye County commission chairman Dick Carver was present at the Reno meeting, along with Bob Hadfield, executive director of the Nevada Association of Counties, and John Fallon of the Cattlemen's Association.
Feds Release Opinion on Planned Mine Under Montana Wilderness
June 2003
A proposed silver and copper mine that would burrow under a wilderness area in northwestern Montana will not affect bull trout, nor will it harm grizzly bears so long as some additional precautions are taken, federal wildlife authorities said.
A proposed silver and copper mine that would burrow under a wilderness area in northwestern Montana will not affect bull trout, nor will it harm grizzly bears so long as some additional precautions are taken, federal wildlife authorities said.
Our Readers Say
April 2001
• "A better working relationship needs to be established..."
• "A better working relationship needs to be established..."
Selecting a Gold Recovery System
March 2001
Tabling and jigging are two relatively inexpensive methods of recovering the “free particle values” from the noble metal ores. However, not all ores contain their values as free particles. In fact, many gold ores contain appreciable amounts of “metallic gold salts,” some of which readily dissolve in the system water and continue to migrate right along with it.
Tabling and jigging are two relatively inexpensive methods of recovering the “free particle values” from the noble metal ores. However, not all ores contain their values as free particles. In fact, many gold ores contain appreciable amounts of “metallic gold salts,” some of which readily dissolve in the system water and continue to migrate right along with it.
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