All Articles
The Lost Silver Triangle of the Sierra Madre—Conclusion: Tayopa, Guaynopa, and Guaynopita
July 2008 by Steve Wilson
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.Additional articles that might interest you...
Will California Dredging Survive?
August 2007
Assembly Bill 1032 has passed the California House of Representatives. The bill was authored by CalTrout and the Karuk Tribe, then introduced by Representative Lois Wolk.
Assembly Bill 1032 has passed the California House of Representatives. The bill was authored by CalTrout and the Karuk Tribe, then introduced by Representative Lois Wolk.
Why Haven't They Mined This Claim?
May 2011
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
National Mining Hall of Fame to Induct Five
August 2009
Paul A. Bailly, Richard T. Moolick, William Braden, Alonzo Pawling and Henry Harnischfeger will be inducted into the National Mining Hall of Fame for their contributions to mining.
Paul A. Bailly, Richard T. Moolick, William Braden, Alonzo Pawling and Henry Harnischfeger will be inducted into the National Mining Hall of Fame for their contributions to mining.
Detectors Versus Pans
November 2010
Mike scored the best with a total of one-half ounce of gold nuggets. Tom, Brian and Greg each had pieces in the one and a half pennyweight range. The rest of us had small gold and nothing like these three.
Mike scored the best with a total of one-half ounce of gold nuggets. Tom, Brian and Greg each had pieces in the one and a half pennyweight range. The rest of us had small gold and nothing like these three.
Legislative and Regulatory Update
April 2004
• Important court decisions that affect miners
• Move to repeal I-137
• Comments needed tin southern California
• Important court decisions that affect miners
• Move to repeal I-137
• Comments needed tin southern California
How to Field Evaluate A Placer Property
January 2015
If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.
If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.
Looking Back
October 2004
Excerpts for CMJ published 50 years ago this month.
Excerpts for CMJ published 50 years ago this month.
Subscription Required:
The Bawl Mill
• The Greenwood Gold Project
• Miners Go To Work In Washington
• How To Locate Diamonds
• Natural Crystalline Gold
• The Vore Mine
• Tools of the Modern Prospector: The GPS
• Whitehall Mine Foregoing Closure
• Work Begins At Rock Creek Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• The National Mining Hall of Fame to Induct Four
• Looking Back







