All Articles
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...
Determining the Amount of Gold in a Quartz Specimen
November 2004
Many prospectors who find specimens of rich quartz with visible gold often wonder about the gold content of their specimens. Pieces with significant visible gold can sometimes be found at hard rock mines, by prospecting...
Many prospectors who find specimens of rich quartz with visible gold often wonder about the gold content of their specimens. Pieces with significant visible gold can sometimes be found at hard rock mines, by prospecting...
Basic Geology for the Independent Miner—Part V Geology of Hardrock Gold Deposits
May 2006
In this installment we will finish up our discussion of how primary hardrock gold deposits form. Understanding how rock alteration works can lead to some good ideas for exploring around old mining districts.
In this installment we will finish up our discussion of how primary hardrock gold deposits form. Understanding how rock alteration works can lead to some good ideas for exploring around old mining districts.
The Dredge Report
November 2014
As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…
As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…
Over The Divide: Annie Carol Robinson
March 2020
Ask the Experts
March 2014
Gold out of auqa regia
Gold out of auqa regia
Nevada Mining Tax Fails in Signature Drive
July 2010
Backers of the petition drive that began five months ago said they secured only about two-thirds of the 97,000 signatures they needed by the deadline to place the measure on the November ballot.
Backers of the petition drive that began five months ago said they secured only about two-thirds of the 97,000 signatures they needed by the deadline to place the measure on the November ballot.
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• Mining Industry Enthusiastic About Prospects
• Looking For Gold in All The Right Places
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• Ask the Experts: Recommended Reading—Part II
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• Company Notes
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