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Gold in Moffat County, Colorado
March 1999 by Edgar B. Heylmun, PhD
The area of interest in this article is in eastern Moffat County, located in northwestern Colorado adjacent to the Wyoming line. It is a high, sagebrush prairie which ranges from 6,200 to 7,200 feet in elevation, north and northwest of the county seat of Craig (pop. 8,000).The American Hill Mine
In the high country of the Tahoe National Forest is 160 acres of a patented mining claim dating back to its origin around 1853. This is well above the historic mining town of Michigan Bluff and past Deadwood—an old mining town...
Epithermal Gold and Silver Deposits
Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.
WSGS Releases New Geologic Maps
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.
Throw-Away Gold: Back to Basics
Placer mining, whether for profit or recreational purposes, involves separation of free gold from the gold-bearing sands (gangue) of alluvial deposits by methods using specific gravity. The free gold can vary from 17 to 19.3 in specific gravity terms, depending on the alloy mix, which is usually silver, but can be copper, lead, sulfur, tellurium, antimony, or mercury.
Gold Deposition and Gradients of Placer Streams—Part I
When placer miners from the gold rush era began experimenting with the slope of their sluices, they must have pondered the ideal slope for trapping gold in a creek bed too. Logic suggests the same is true for streams...
Newmont Steps Up For Laid Off Workers
Newmont Mining Corp. covered the final uncashed paychecks of workers who were laid off in August from the Jerritt Canyon Mine by another mining outfit.
Battle Heats Up Over California Suction Dredging
The State of California is seeking dismissal of the federal lawsuit filed by Public Lands for the People (PLP) on grounds that they are immune from such lawsuits under the 11th Amendment to the US Constitution. However, there is plenty of prior case precedence suggesting that state officials and agencies are open to such lawsuits when they assume responsibility for regulatory authority from the federal government.
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The Bawl Mill
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• Death Valley Find is Apparent Hoax
• Mining Ends in Leadville
• Mine Woes Could Mean Higher Taxes
• The Federal Land Survey System
• Exchange Moves to Protect Investors from Mining Scams
• The Beer That Saved Goldfield
• Mining Benefits Everyone During Winter Months
• AZ Miners and Minerals Department Threatened with Elimination
• Alaska Minerals Poster Available from BLM
• Digital Tools—The PC and GPS
• Small Mines Bill Clears Committee
• Successful Mineral Property Promotion
• Picks & Pans: Confessions of a Small Miner—Part I
• Forest Service Chief Calls for Mining Moratorium in Montana
• Governor Tells Industry He Will Consider Tax Cuts
• Company Notes
• Gold Mine Becomes "Golden Partner" of California Sesquicentennial
• IBLA Limits Patent to Mineral Rights in Wild & Scenic River Corridors
• Melman on Gold & Silver
• Claim Staking Rush Northern Quebec, Canada
• Looking Back
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