Looking Back

September 1999 by Staff

Ask The Experts

March 2016
Options for affordable crushers for small mining operations

Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?

September 2016

Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?

Gold Recovery with Centrifugal Bowls

July 2014
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.

Editorial

February 2002
Congressmen Richard W. Pombo and John E. Peterson’s Response to Planting of False Evidence by Environmental Extremists

Legislative and Regulatory Update

March 2003
• Look for less federal government land acquisitions in the new budget
• Valley fill ruling overturned
• Two species rejected for listing under ESA
• New Mexico and Montana consider legislation to encourage mining
• Mining, lumber groups seek to eliminate funds for university program
• Backfilling required for new mines in California
• Nevada Congressman named vice chairman of Resources
• Idaho gets deadline extended for bull trout comments
• Murkowski Calls for Resource Assessment on State and Federal Lands
• Comments needed regarding proposal to lock up huge tracts of public land in California

Claim Filings Up in the Northwest

February 2005
Higher gold prices have led to a doubling of mining claims in the past year in Oregon and Washington.

The Bawl Mill

July 2001
• Do as I say, not as I do...
• A poor investment...

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