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The Tangential Impulse Water Wheel in California Gold Mining History—Part II
March 2004 by Guest Writer
Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.Additional articles that might interest you...
Over the Divide
January 2001
H. Mason Coggin
1938-2000
H. Mason Coggin
1938-2000
Nome Offshore Dredging Creates Challenges
June 2015
The Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.
The Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.
Melman on Gold & Silver
August 2002
Yet another term has entered the lexicon of investment analysis and that term is “Fallen Angels.” No, we are not referring to religious icons or celestial bodies. Rather, the investment community has dubbed the debt instruments of once-prosperous companies that have now fallen on hard times with that moniker.
Yet another term has entered the lexicon of investment analysis and that term is “Fallen Angels.” No, we are not referring to religious icons or celestial bodies. Rather, the investment community has dubbed the debt instruments of once-prosperous companies that have now fallen on hard times with that moniker.
Mining in Sonora, Mexico
November 1999
So you want to do some gold mining in Mexico. What do you need, where do you go, how do you begin? You begin before you even cross the border.
So you want to do some gold mining in Mexico. What do you need, where do you go, how do you begin? You begin before you even cross the border.
The Pedro Gold Dredge
October 2014
The decision was made to move the dredge intact, a massive undertaking indeed. The goal was to move it only one mile to the Busby’s Chicken Gold Camp, but what a mile that was to be.
The decision was made to move the dredge intact, a massive undertaking indeed. The goal was to move it only one mile to the Busby’s Chicken Gold Camp, but what a mile that was to be.
River Dredging vs. Creek Dredging—Part I
December 2011
As I started walking down to the river one chilly morning, the mist was hanging over the calm portions of the water like a white cotton blanket. This scene got me to thinking about why the river was like that—the deep pools, boulder fields, gravel bars, the effects of how much water was moving at any given time along the watercourse—and most of all the relationship all these things have on where I will be able to find gold.
As I started walking down to the river one chilly morning, the mist was hanging over the calm portions of the water like a white cotton blanket. This scene got me to thinking about why the river was like that—the deep pools, boulder fields, gravel bars, the effects of how much water was moving at any given time along the watercourse—and most of all the relationship all these things have on where I will be able to find gold.
Gold in Sonora
December 1999
The state of Sonora, slightly smaller in area than Utah, lies in-northwestern Mexico, adjoining Arizona to the south. It is characterized, on the east, by a high volcanic plateau, the Sierra Madre Occidental, which forms its boundary with Chihuahua.
The state of Sonora, slightly smaller in area than Utah, lies in-northwestern Mexico, adjoining Arizona to the south. It is characterized, on the east, by a high volcanic plateau, the Sierra Madre Occidental, which forms its boundary with Chihuahua.
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• Picks & Pans: Dredging After The Flood
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• Looking For Gold in All The Right Places
• Fraser Institute Ranks Best Regions for Mining Investment
• Ask the Experts: Recommended Reading—Part II
• Red Lake, Ontario
• Company Notes
• Melman on Gold & Silver
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