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January 2021 by John Norman
Since we’ve already covered the basics of permitting a “Notice Level” mining operation, it’s time to talk actual mining.
- NEPA comments due
- Update on latest US Supreme Court suction gold dredging appeal
- Washington State tries to restrict suction gold dredging
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
Setting up a gravity dredge
There is reason to believe these stream valleys are still rich with gold, silver and copper.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
The Bawl Mill • Happy New Year 2021! • Ask The Experts - Does steep stream bedrock act like riffles? • Ask The Experts - Where do I register a mining claim in Nevada? • Ask The Experts - Are eskers good locations for gold? • Ask The Experts - Any tips for hunting down gold veins? • Our Readers Say • Dealing With Hot Rocks and Mineralization • Principles of Designing Your Mill Production System, Part I: Starting Up • Pay Attention to the Features and Landmarks • Gold Prospecting for Better or Worse: All Work and No Pay • Which Coil Should I Use? • Northern Dynasty To Appeal Alaska Permit Rejection • Our Old Friend, Mr. Crashbox • Resolution Copper Project To Be Reviewed By Year-End • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices