Mining Stock Quotes and Mineral & Metal Prices
May 2004 by Staff
For 250 years, the Guanajuato Mining District of Mexico produced 20% of the world's silver. The old colonial city of Guanajuato (pop.100,000) is wedged in a narrow canyon in the Sierra de Guanajuato, at an average elevation of 6,750 feet.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Suction Dredging is Back in Most of California!
The first pieces found were in a spot that most gold hunters would not even detect, right in the middle of a downslope meadow.
This adit will be nearly 3.5 miles long when it reaches the ore zone.
As we approached the river the view was outstanding and the sight was encouraging. A ravine coming down on the right side had been worked heavily, with rock piled back on each side. That surely meant there was gold somewhere close.
The Bawl Mill • Economic Analysis on Critical Habitat for Bull Trout • Prospecting for Copper • US Mining Industry Outlook Brighter • Gold in the Chinle Formation • Gold Dredgers Rescue Threatened Fish • Gold Mine Plans Upheld in Lawsuit • DOI Computers Back Online • Picks & Pans: Nuggets by the Dozen in Alaska • Historical Mining Methods • The Elusive Mother Lode • Clarence King, Geologist • Melman on Gold & Silver