All Articles
Using A Trommel For Placer Processing
April 2010 by Chris Ralph
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
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Legislative and Regulatory Update
January 2016
• More roadblocks in southern California
• Greater Sage-grouse withdrawals
• More roadblocks in southern California
• Greater Sage-grouse withdrawals
Economic Analysis on Critical Habitat for Bull Trout
May 2004
The US Fish & Wildlife Service has released the economic analysis and reopened the comment period for their proposal to designate critical habitat for the bull trout in 18,469 river miles and 532,721 acres of lake and reservoir habitat across the Western states.
The US Fish & Wildlife Service has released the economic analysis and reopened the comment period for their proposal to designate critical habitat for the bull trout in 18,469 river miles and 532,721 acres of lake and reservoir habitat across the Western states.
Editorial
February 2002
Congressmen Richard W. Pombo and John E. Peterson’s Response to Planting of False Evidence by Environmental Extremists
Congressmen Richard W. Pombo and John E. Peterson’s Response to Planting of False Evidence by Environmental Extremists
Dredging Therapy
October 2016
The big moment finally arrived. With Norm suited up, I pulled the motor to life and felt instantly better. There’s really something relaxing about the sound of a dredge running—they don’t sound like anything else.
The big moment finally arrived. With Norm suited up, I pulled the motor to life and felt instantly better. There’s really something relaxing about the sound of a dredge running—they don’t sound like anything else.
Ask the Experts - Old workings & tailings: What are my options?
February 2012
Q: ...It’s a 2,000-acre property that was mined 100 years ago, still has the old workings, tailings, etc. I am looking to recover gold from the old waste/tailings... plus possibly strip mine some of it. What are my options?
Q: ...It’s a 2,000-acre property that was mined 100 years ago, still has the old workings, tailings, etc. I am looking to recover gold from the old waste/tailings... plus possibly strip mine some of it. What are my options?
California Dredgers Shafted by Assembly Democrats
July 2010
Legislation designed to provide full permit refunds to all suction dredge miners in California has been hijacked in an Assembly policy committee.
Legislation designed to provide full permit refunds to all suction dredge miners in California has been hijacked in an Assembly policy committee.
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The Bawl Mill
• Legislative and Regulatory Update
• Prospecting for Hardrock Gold - Part II
• Gold in Alaska - Part II
• Gold Prospecting in Maine - Part I
• Gold Prospecting Is For Ladies, Too
• Sage-Grouse Won't Get ESA Listing For Now
• How to Find Gold in Hot Ground With A VLF Detector
• Oregon County Tries to Interfere With Lawful Mining Operation
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
