All Articles
Gold Dredgers Rescue Threatened Fish
May 2004 by Staff
Gold dredgers were enlisted in an effort to salvage a rare stretch of chum salmon spawning grounds along the Columbia River between Vancouver, Washington, and Portland, Oregon.Additional articles that might interest you...
Proper Spacing of Placer Sample Sites
September 2013
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Legislative and Regulatory Update
December 2016
• Trump wins!
• 9th Circuit: projected global warming is sufficient for ESA
• Eagle Mountain proposed withdrawal
• CA Water Board dredge meetings
The St. Louis Gold District
February 2009
In 1848 and 1849, miners had pushed all through the western Sierra foothills making many fantastic gold discoveries. The far north end of California’s Mother Lode country, however, had received little exploration.
In 1848 and 1849, miners had pushed all through the western Sierra foothills making many fantastic gold discoveries. The far north end of California’s Mother Lode country, however, had received little exploration.
Melman on Gold & Silver
March 2010
Budgetary deficits can be reversed by a combination of only two factors; increasing revenues and decreasing expenditures, and we would prefer a combination of both factors occurring simultaneously. Unfortunately, it appears to us that President Obama failed to respond to such simple considerations.
Budgetary deficits can be reversed by a combination of only two factors; increasing revenues and decreasing expenditures, and we would prefer a combination of both factors occurring simultaneously. Unfortunately, it appears to us that President Obama failed to respond to such simple considerations.
Update on Oregon, Idaho and California Suction Dredge Permits
June 2010
As expected, the State of Oregon has proposed a new general National Pollutant Discharge Elimination System (NPDES) permit that is considerably more restrictive than the one that is currently in effect
As expected, the State of Oregon has proposed a new general National Pollutant Discharge Elimination System (NPDES) permit that is considerably more restrictive than the one that is currently in effect
Gold in Moffat County, Colorado
March 1999
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 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).
NWMA Show
January 2012
Every year the Northwest Mining Association holds an industry trade show. Many vendors are on hand, and there are many presentations given. With thousands of folks in attendance it’s not hard to get a pulse on what is happening in the mining industry.
Every year the Northwest Mining Association holds an industry trade show. Many vendors are on hand, and there are many presentations given. With thousands of folks in attendance it’s not hard to get a pulse on what is happening in the mining industry.
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The Bawl Mill
• Economic Analysis on Critical Habitat for Bull Trout
• Prospecting for Copper
• US Mining Industry Outlook Brighter
• Gold in the Chinle Formation
• Gold Mine Plans Upheld in Lawsuit
• DOI Computers Back Online
• Picks & Pans: Nuggets by the Dozen in Alaska
• Historical Mining Methods
• The Elusive Mother Lode
• Clarence King, Geologist
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
