All Articles
Where to Prospect for Gold in Colorado
December 2009 by Chris Ralph
Colorado is one of the more productive states when it comes to gold, ranking third, behind Nevada and California. The majority of the gold deposits are confined to a northeast-trending belt known as the Colorado Mineral Belt...
Additional articles that might interest you...
A Word from the Editor
September 2000
I've received a few letters over the past year regarding assays and assayers. Most wanted to know how to tell the good ones from the bad. You'll find most of these questions answered by Ralph Pray in his article, "Fake Assays and Assayers," in this month's issue.
I've received a few letters over the past year regarding assays and assayers. Most wanted to know how to tell the good ones from the bad. You'll find most of these questions answered by Ralph Pray in his article, "Fake Assays and Assayers," in this month's issue.
As Millennium Nears, Copper No Longer King in Arizona
May 1999
At the start of the 20th century, copper was king in Arizona, with one of every four workers employed in the mining trade. On the brink of a new millennium, however, the industry is no longer the cornerstone of the state's so-called "Five Cs" economy—copper, cattle, cotton, citrus and climate.
At the start of the 20th century, copper was king in Arizona, with one of every four workers employed in the mining trade. On the brink of a new millennium, however, the industry is no longer the cornerstone of the state's so-called "Five Cs" economy—copper, cattle, cotton, citrus and climate.
The Bawl Mill
September 2006
• Lock ‘em up and throw away the keys
• Snow White and the 9 Justices?
• Child support wasn’t her “Primary” concern...
• Burglar makes a clean getaway
• Lock ‘em up and throw away the keys
• Snow White and the 9 Justices?
• Child support wasn’t her “Primary” concern...
• Burglar makes a clean getaway
Critical Metals: Copper
May 2012
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
Rahall Proposes Bill to End All Mining in the U.S.
March 2009
H.R. 699, the Hardrock Mining and Reclamation Act of 2009, should be labeled H.R. 666 because it appears to have been written by the Devil himself.
H.R. 699, the Hardrock Mining and Reclamation Act of 2009, should be labeled H.R. 666 because it appears to have been written by the Devil himself.
PLP Update
April 2019
The changes we are seeking will most definitely help prospectors, small operations and dredgers. If you haven’t yet read our proposals, you’ll find a link to it at the end of the online version of this article.
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.
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