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Feds Release Opinion on Planned Mine Under Montana Wilderness
June 2003 by Associated Press
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.Mining Stock Quotes and Mineral & Metal Prices
Over the Divide
Lynn Gunn
June 18, 1955 — August 3, 1999
The Eagle and High Peak Mines of Julian, California
At an altitude of over 4,000 feet, in the mountainous terrain of eastern San Diego County, lies the once productive Julian Mining District. Beginning with placer prospecting in 1869, this area moved rapidly into underground quartz or vein mining for gold.
Getting Your Float Circuit Layout Right
Commissioning is going well; ramp-up targets are all being met and the General Manager is happy. You arrive at the plant in the morning and start reviewing the night shift logs. What you discover is the night shift had to reduce feed to the mills...
The Mountain Gate Mine
The Foresthill Divide in Placer County, California, has underneath its present surface a multitude of buried river channels, most of which paid enormously well in the Gold Rush years of 1850 to 1890.
How to Refine Silver—Pt I
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
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The Bawl Mill
• City Gives Blessing to Pogo Mine
• Underground at Yankee Jim's
• Dry Placers in Southern Baja
• A Gold Detector Sitting in a Closet Only Finds Dust—More Detector Tips
• Gold in Tennessee
• Old Stock Certificates—Treasures or Trash?
• Payette Forest Sides With Mining Company
• Using Mineral Deposit Models
• Miners Still Waiting for Bonding Recommendations from DOI
• The Old Mine Dump
• A Practical Approach to Dowsing
• The Lengendary Lost Gold of the Headless Valley
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
