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Oregon Suction Gold Dredgers Score Big Win

The main issues in this case involved the DEQ’s authority to regulate discharges under sections 402 and 404 of the Clean Water Act.

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All About Chalcopyrite


…there are loads of different copper minerals, but a large number of them form first in the ground as chalcopyrite and then through the effects of weathering are changed into other minerals like malachite, cuprite and chrysocolla.

Good Assays and Bad


The high prices for gold and silver are exciting and certainly have revolutionized the prospecting and mining scene. New interest in gold and silver mining is springing up from every corner, from individual prospectors armed with gold pans to exploration and mining companies working to set up multimillion dollar commercial operations producing hundreds of thousands of ounces per year. The idea of getting riches from rocks is one that motivates a lot of folks all over the globe. It’s an exciting time, but this excitement brings out another side...

The Bawl Mill


• What budget deficit?
• Congressional underdog...
• More than just 12 angry men...

Placer Gold Deposits of New Mexico


While a large number of locations have yielded some placer gold, most of the state’s placer production has come from a few productive districts.

Proper Assaying of Placer Samples


The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.

The Stonewall Jackson Mine, San Diego County, California


For obvious reasons southern California is not known historically for its gold mines. Gold production was concentrated heavily in the Sierra Nevada foothills in the northern part of the state. However, the high mountainous region of eastern San Diego County was the site of a number of productive hardrock gold mines, notably in the late 19th century.

Company Says Central Idaho Project Feasible


...the federal agency is intrigued by a plan that might result in cleaning up the area without cost to taxpayers.

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The Bawl Mill   • Legislative and Regulatory Update   • Mining Reform and Congress   • Placer Mining in Canada's Yukon Territory   • California's Rich Pocket Mines   • The Significance of Boulders in Placer Deposits   • Michigan Approves Nickel, Copper Mine   • Desert Drywashing   • The History of Gold Mining in Sierra County   • Mining Stock Quotes & Mineral and Metal Prices

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Melman on Gold & Silver

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