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Industry Urges Restraint on Mining Reforms
May 1999 by Associated Press
Wyoming mining interests say the federal government doesn't need tougher environmental cleanup rules governing mineral extraction from public lands.Legislative and Regulatory Update
• Idaho miners will challenge new EPA permit at rally
• California proposes to amend definition of a suction dredge
• Proposed rule redefines "navigable waters"
The Furnace Atmosphere During the Fire Assay
It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.
Ask the Experts: gold per ton; improving assay method
Q: How much gold do I have per ton and how can I improve my assay method?
Beach Mining for Placer Gold
What I saw was a beach area that was just completely covered in black sand. Rubbing my hands close together like a kid in a candy store, I could not wait to get set up.
Alluvial Paystreaks
The gravels in contact with the bedrock or false bedrock base are often the richest. The same facts apply to the alluvial paystreaks that are formed on gravel bars; the lowest level of the gold-bearing gravel is normally the richest.
The Bawl Mill
• Don't go in the water...
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