All Articles
Small Mine Selective Blasting
January 2000 by Dr. Ralph E. Pray
Drill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...
Over the Divide
H. Mason Coggin
1938-2000
Sunnyside, Arizona
The little-known Sunnyside district in Cochise County, Arizona, is on the southwest side of the Huachuca Mountains, which reach elevations in excess of 9,000 feet.
Mining Stock Quotes and Mineral & Metal Prices
Flood Plain Gold Deposits—What Are They Really?
We just completed a trip to another river, and yes, there was definite movement and redistribution of gravels, and other prospectors have seen this as well.
The Bawl Mill
• Congressional "over"-spending bill is big win for big money
• Weapons of mass expenditure
• US taxpayers can celebrate yet another milestone
Surviving The Boom and Bust Cycle
Back when I was in college, when I first started classes, the demand for new engineers was so strong that every graduate had multiple job offers without even trying.
Mining Stock Quotes and Mineral & Metal Prices
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The Bawl Mill
• Over the Divide
• Our Readers Say
• Letter from the Editor to our Readers and Advertisers
• Administration Considers Bypassing Congress
• First Woman to Draw Mining Pension
• Mohave Mountain Placers, Arizona
• High Court to Reconsider Wilderness Water Rights
• Sixteen to One Takes on MSHA
• Picks & Pans: Gold Mining on Joie Osgood Ranch
• Gold
• Company Notes
• Millie's Tailings
• Placer PGMs in Alaska
• Mogollon—New Mexico's Remote Gold Camp
• ICMJ 9th Annual Photo Contest Results
• The Other Minerals of Mt. Diablo
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back







