The Tangential Impulse Water Wheel in California Gold Mining History—Part I
February 2004 by Guest WriterThe 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.
Out of the blue Archie mentioned, "I was dusted." My dad misunderstood and thought Archie had developed silicosis, then known and feared as "miners lung."
Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
• Too little, too late...
• Beware of Argentina...just kidding!
• A million dollars just doesn’t go as far as it used to...
• Well qualified
Lesa Dale Barton, formerly of Armadillo Mining Shop of Grants Pass, Oregon, passed away September 6, 2006 after bravely fighting cancer for several months.
Defeating the Biodiversity Treaty
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 Bawl Mill • Our Readers Say • Buying or Investing in Mineral Properties • The Joy of Prospecting • Company Notes • Picks & Pans: Rattlesnakes in a Gold Camp • Old-Time Mining Geology Books • Ask the Experts: Recommended Reading—Part I • Consider Adding Gold to Your Portfolio • US Files Charges Against Gold Refiner • Gold in Australia • Gold in Rotten Rock • Restoring the Rule of Law to US Mining • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices