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The Tangential Impulse Water Wheel in California Gold Mining History—Part I
February 2004 by Guest Writer
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.Washington Gold & Fish Update
Washington’s mineral prospecting regulations, adopted Jan. 1999, have indeed caused great chaos for those who enjoy the hobby and also those who were accustomed to making a living by operating larger (8”) dredges. The discussion within the miners’ network has not decreased; at best it is a slow simmer.
Bigger and Better—Gold Prospecting & Mining Summit Recap
Our second year’s Summit, held over five days in mid-May, was even bigger and better than last year’s gathering. We had more vendors, more hands-on classes and a very full slate of lectures and presentations. Over 2,300 prospectors attended...
Revised Dredge Regulations Published for California—Pure Garbage
We can’t say it wasn’t expected. The California Department of Fish & Game released revised suction gold dredging regulations on February 17, 2012, and it’s obvious the agency wants to make life as difficult as possible for dredgers.
How Much Gold Is In My Gold-Quartz Specimen?
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
Mining Battle Case Under Advisement
Two weeks of sometimes-heated testimony have ended in a case that pits Cyprus Amax Minerals against opponents who want to prevent the company from mining ore from a central Colorado mountain.
Silver Bull Resources Sees Bright Future for Silver & Zinc
The Sierra Mojada Project lies within a historic high grade silver, lead and zinc mining district originally discovered in 1879.
The Bawl Mill
• Two steps forward, several billion steps back
• No daylight "savings" in DC
• China invades Washington, DC
• Center gives new meaning to "protection"
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