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The Guyana Highlands
October 2004 by Edgar B. Heylmun, PhD
The Guyana Highlands referred to here are a tropical upland area that extends from French Guiana on the east to Colombia on the west, with elevations reaching 9,219 feet. It occupies a vast and remote region between the Orinoco River on the north and the Amazon River on the south. There are mountains, tablelands, mesas, and swamps, largely impassable to those on foot.Additional articles that might interest you...
Northern Dynasty Chooses Partner for Pebble
September 2007
The Canadian company that owns the Pebble Mine prospect has partnered with Anglo American to develop the Pebble project in Southwest Alaska.
The Canadian company that owns the Pebble Mine prospect has partnered with Anglo American to develop the Pebble project in Southwest Alaska.
Gold at Quartzville, Oregon
June 1999
The site of the old mining camp of Quartzville is 30 miles northeast of Sweet Home, Oregon, via a road which is paved for much of the distance. It is located in mountainous terrain along the west slope of the rugged Cascade Range, with elevations ranging from 1,600 to over 4,000 feet.
The site of the old mining camp of Quartzville is 30 miles northeast of Sweet Home, Oregon, via a road which is paved for much of the distance. It is located in mountainous terrain along the west slope of the rugged Cascade Range, with elevations ranging from 1,600 to over 4,000 feet.
The Lost Silver Triangle of the Sierra Madre—Part II
May 2008
Newspaper stories in the spring of 1887 credited Lieutenant Henry O. Flipper with discovering both the long-lost Guaynopa and Tayopa mines. Flipper was in Mexico City in late April and May and a reporter interviewed him.
Newspaper stories in the spring of 1887 credited Lieutenant Henry O. Flipper with discovering both the long-lost Guaynopa and Tayopa mines. Flipper was in Mexico City in late April and May and a reporter interviewed him.
Jury: Gov't Rightfully Seized 1933 Gold Coins
August 2011
The verdict capped an unusual civil case that combined history, coin collecting and whether the $20 “double eagles” ever legally left the US Mint.
The verdict capped an unusual civil case that combined history, coin collecting and whether the $20 “double eagles” ever legally left the US Mint.
Ask The Experts
August 2015
Problems finding gold with a detector
Problems finding gold with a detector
Melman on Gold & Silver
May 1999
For gold advocates, the theme this past month could have been Life should be beautiful! After all, just consider some of the events of the past month.
For gold advocates, the theme this past month could have been Life should be beautiful! After all, just consider some of the events of the past month.
The Perfect Response
January 2017
In May, 2016, the Andersons received a letter from Steve Niemela at the Oregon Department of Fish and Wildlife requesting access to their property to conduct surveys for “foothill yellow-legged frogs and other amphibians.”
In May, 2016, the Andersons received a letter from Steve Niemela at the Oregon Department of Fish and Wildlife requesting access to their property to conduct surveys for “foothill yellow-legged frogs and other amphibians.”
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The Bawl Mill
• Update: Forest Service Interim Rule
• VMS Deposits in Central Arizona
• Prospecting with a VLF-Type Gold Detector
• Freegold Ventures' Golden Summit Project
• Picks & Pans: Working the Crevices
• Molybdenum
• 2004 California State Gold Panning Championships
• Company Notes
• Why Environmental Groups Prefer Kerry
• The French Mines of El Boleo
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices







