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Cobalt and Nickel in Missouri
October 2002 by Edgar B. Heylmun, PhD
Cobalt and nickel are tough silver-white metals, with similar physical properties, that frequently occur together in nature, along with copper sulfides. Cobalt and nickel are used as alloys, providing great strength and resistance...
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Whitehall Mine Foregoing Closure
July 2008
Strong gold prices are making it profitable to keep the Golden Sunlight Mine here open through 2015, company officials said.
Strong gold prices are making it profitable to keep the Golden Sunlight Mine here open through 2015, company officials said.
The Paradox Basin—Part II
August 2005
The Atomic Energy Commission (AEC) was created soon after the war. One of their first deeds was to pass the Energy Act of 1946. This, among other things, provided monetary incentives for nearly every stage of mine development and operation.
The Atomic Energy Commission (AEC) was created soon after the war. One of their first deeds was to pass the Energy Act of 1946. This, among other things, provided monetary incentives for nearly every stage of mine development and operation.
Over the Divide
July 2014
Charles L. Butler
1920 - 2014
Charles L. Butler
1920 - 2014
The Lost Silver Triangle of the Sierra Madre—Conclusion: Tayopa, Guaynopa, and Guaynopita
July 2008
Lieutenant Henry O. Flipper might well have been correct about the “Santa Fe de Rodríquez” being the name of what is now called Guaynopa. However, an Indian named Agustín de la Cruz, who was associated with Cristóbal Rodríquez, is credited with discovering the mine in 1741. It is probable that the Spanish settlement had indeed been found because of its rather extensive ruins.
Lieutenant Henry O. Flipper might well have been correct about the “Santa Fe de Rodríquez” being the name of what is now called Guaynopa. However, an Indian named Agustín de la Cruz, who was associated with Cristóbal Rodríquez, is credited with discovering the mine in 1741. It is probable that the Spanish settlement had indeed been found because of its rather extensive ruins.
Looking Back
February 2007
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Mining Stock Quotes and Mineral & Metal Prices
February 2005
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