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The Treasure Detective—Part II
August 2006 by John Jones
GNIS is an acronym for the “Geographic Names Information Service” that is maintained by the United States Geological Survey. The database catalogs and standardizes place names in the United States. This information set has nearly 2,000,000...
Additional articles that might interest you...
Working the Belmont Mine Butte, Montana—1953
October 2002
Waiting to go underground in the Belmont Mine in Butte, Montana, I hoped that I didn’t look like a green college kid. I enjoyed watching the ropes run through the sheaves at the top of the head frame as the shaft crew was busy changing over...
Waiting to go underground in the Belmont Mine in Butte, Montana, I hoped that I didn’t look like a green college kid. I enjoyed watching the ropes run through the sheaves at the top of the head frame as the shaft crew was busy changing over...
The Oretron
November 2000
Most ore bodies generate a voltage, giving the prospector another valuable method of tracing and locating these hidden minerals. With the Oretron, one can sense and measure these voltages along the ground surface...
Most ore bodies generate a voltage, giving the prospector another valuable method of tracing and locating these hidden minerals. With the Oretron, one can sense and measure these voltages along the ground surface...
Our Readers Say
November 2001
“Why is so much public land closed off to the recreational miner?”
“Why is so much public land closed off to the recreational miner?”
Ask The Experts—How do I work this large quartz vein?
September 2008
Q: I found a large quartz vein. I’m interested in mining this myself. Can you point me to a good book or other source on lode mining?
Q: I found a large quartz vein. I’m interested in mining this myself. Can you point me to a good book or other source on lode mining?
Q&A With Detector Designer Dave Johnson
September 2011
...it’s been a little known secret that one man was involved in designing many of the most respected very low frequency (VLF) nugget detectors on the market. Dave Johnson has designed gold-oriented detectors for Tesoro, Whites, Fisher and others for more than 25 years.
...it’s been a little known secret that one man was involved in designing many of the most respected very low frequency (VLF) nugget detectors on the market. Dave Johnson has designed gold-oriented detectors for Tesoro, Whites, Fisher and others for more than 25 years.
San Francisco Mint and US Gold Reserves
June 2007
In 1717, Sir Isaac Newton, Master of the British Mint, established a fixed price for gold that was equivalent to around US$20.00 per ounce. This price was for bullion gold, refined to a purity of twenty-two karats (.917 fine).
In 1717, Sir Isaac Newton, Master of the British Mint, established a fixed price for gold that was equivalent to around US$20.00 per ounce. This price was for bullion gold, refined to a purity of twenty-two karats (.917 fine).
State Rivers Closed to Prospecting in Washington
September 2003
The Washington Department of Natural Resources appeared at a recent dredge rally near Oroville to announce the closure of all state-owned aquatic lands to prospecting.
The Washington Department of Natural Resources appeared at a recent dredge rally near Oroville to announce the closure of all state-owned aquatic lands to prospecting.
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The Bawl Mill
• Microbes Play Role in Gold Creation
• Osisko Exploration: Redeveloping the Historic Malartic Mining Camp
• Prospecting at Moore Creek
• The Small Hardrock Mill—Part II
• 2006 National Mining Hall of Fame Inductees
• The Fairbanks Goldfields
• Elections May Bring Rush to Republic of Congo
• Melman on Gold & Silver
