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The Other Minerals of Mt. Diablo
January 2000 by Richard H. Peterson, PhD
Although it is now known that Mount Diablo, located in Contra Costa County in the East Bay region of the San Francisco Bay Area, was the site of the largest coal mining operation in the state during the last half of the 19th century... this majestic focal point... also was the source of other minerals.Miner Wins Important Victory Against Forest Service
A case involving a Northern California dredger who was cited by the Forest Service for operating without a Notice of Intent, Plan of Operation or special-use authorization was resolved in the miner’s favor.
The Birimian Greenstone Belts of West Africa
The country we were to visit was Burkina Faso, a small country about the same size of my home state of Nevada with about 10 times more people. The second day I was in Africa, we went out to the goldfields for the first time.
Wyoming Expects Profits from Uranium
Growth in worldwide demand for uranium is leading producers back to Wyoming, which leads the nation in uranium production.
Butte, Montana—The Richest Hill on Earth
I recently had the opportunity to spend a day exploring around Butte, Montana and was amazed by the amount of mining that has taken place there. The old-timers called Butte “the richest hill on earth” and had pretty good reasons for doing so.
Spencer Opal Deposits, Idaho
In order to give the reader a better appreciation of some alternative valuable minerals that can be found by the average prospector, we visited Bob Thompson’s Opal Mountain Mine located in Spencer, Idaho.
Mine Reopening Could Revive Region
Cominco American Inc., the U.S. subsidiary of Vancouver, British Columbia-based Cominco Ltd., is seeking regulatory approval to reopen the mine in early 2002.
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