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Uranium Deposits
July 2001 by Edgar B. Heylmun, PhD
The first reported occurrence of uranium in the United States was at Central City, Colorado, in 1871. However, prior to 1922, the ore was mined for its radium content, not uranium.
Ask The Experts
Ore processing in California?
Introduction to Meteorites
The distribution of meteorites across the planet was, at one time, thought to be random and unpredictable.U.S. Admits Botching Indian Funds Accounts
...the government has acknowledged in court that it can't provide some account holders...with basic information about their money.
Ask the Experts—How do I remove gold from black sands?
Q: I’m a fairly new dredger. I was told that the black sands contain fine gold that is tough to see and recover, so I have been saving the black sands when I do my clean up. What method should I use to get the gold out?
Lighting the Way Underground 1860-1940s
Man has toiled for thousands of years underground to unlock the treasures that Mother Earth has buried just beyond view. A source of light was of the utmost importance to the miner and many developments evolved through the passage of time.
The Bawl Mill
• Congress hits an all-time low
• FEMA—Federal Emergency MISmanagement Again...
• But everyone else is doing it...
Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
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The Bawl Mill
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