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Federal Court to Address Dredge Permits—The Tulloch Rule
April 2006 by Scott Harn
Congress passed Section 404 of the Clean Water Act (CWA), which was originally called the Federal Water Pollution Control Act, 33 USC 1344, in 1972. Section 404 authorized the US Army Corps of Engineers (the Corps) to issue permits “for the discharge of dredged or fill material into the navigable waters at specified disposal sites.”The Significance of Nuggets in Placers
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
Critical Minerals: Tungsten
Because tungsten minerals are heavy, exploration can be done using stream sediment samples. Prospectors looking for gold have found scheelite or wolframite in their placer concentrates, and in some cases this has led them to make important tungsten finds.
Researching Suitable Areas to Detect for Free-Milling Gold
For hundreds, even thousands of years, gold has brought forth the worst as well as the best in the cultures of the world. It has pitted country against country, man against man, and brother against brother. There are countless tales...
The Tangential Impulse Water Wheel in California Gold Mining History—Part I
The modern tangential impulse water wheel, a device best suited for hydroelectric power production where high water head is available, is an ingenious device born in the historic gold mining industry of California in the 19th Century.
Mining Stock Quotes and Mineral & Metal Prices
PLP and MMAC Update
The current administration is receptive; we believe the time is ripe to push for a return to reasonable regulations and to restore mining to a priority for public lands as long as some new crisis doesn’t take precedent.
A New Look at Old Mines
Exploration companies are actively looking for properties with profitable potential, even if the ground was once cast off as too low in grade to be economically viable. This is especially true in states that are reasonably friendly toward...
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The Bawl Mill
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• Economic Impact of Mining in Alaska
• The Kenai Peninsula Goldfields
• Copper Price Keeps Canadian Miners Busy
• The Business of Mining: Financial Recoveries for Mandated Changes
• Utilizing Geologic Maps
• The Rich Hill Outing
• Picks & Pans: Detecting at Ganes Creek
• Copper Mine Opening in Utah
• Future of Mining in Bolivia Uncertain
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
