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Looking Back
October 2002 by Staff
Excerpts from California Mining Journal, our original title, published 50 years ago this month.Additional articles that might interest you...
Picks & Pans: Arizona Desert Drywashing Adventure
February 2002
As a dedicated dredger, this was to be a totally different experience. Finding gold without using water seemed almost impossible.
As a dedicated dredger, this was to be a totally different experience. Finding gold without using water seemed almost impossible.
Ask the Experts
December 2013
Ore testing and other advice for starting up a mining operation.
Ore testing and other advice for starting up a mining operation.
Cerro Colorado Silver, Arizona
November 1999
It was the first mine developed by Americans in the Cadsden Purchase of 1853. A number of small near-surface mines had been operated by Spaniards and Mexicans in the region prior to the arrival of Americans, going back as far as 1740.
It was the first mine developed by Americans in the Cadsden Purchase of 1853. A number of small near-surface mines had been operated by Spaniards and Mexicans in the region prior to the arrival of Americans, going back as far as 1740.
Placer Platinum
June 2004
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
A Trip to Morgan-Monroe State Forest of Indiana
October 2014
Some experienced panners with the vigor and longevity to spend a full day panning in the small creeks and ravines can possibly find as much as a gram or more on a good day.
Some experienced panners with the vigor and longevity to spend a full day panning in the small creeks and ravines can possibly find as much as a gram or more on a good day.
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