Solar-Powered Placer Sampling Equipment
December 2002 by Steve HicksOne hundred and seven years ago the world’s first electric-powered bucket line dredge started to work in Montana. This summer, Montana likely saw its first solar-powered Denver Gold Saver put to work.
In the silver belt of the Sierra Madre, the Lluvia de Oro was a discovery of gold, found not by the Spaniards of yore, but from an observant Indian a little over a century ago.
The mine site consists of river gravels from an ancient channel covering over 20 acres, and the place is covered with very large river rock and small tree overgrowth.
The southern tip of Baja California is dominated by the Sierra de la Laguna, a 70-mile-long mountain range that reaches elevations of 7,095 feet. The range is also known as the Sierra de la Victoria.
My year in Australia was almost up and playtime was over. Immigration had pulled the plug and it was time to head back to the States.
The Preble’s meadow jumping mouse, once seen as a costly impediment to development, is now viewed by the government as a critter that never really existed—and is no longer in need of federal protection under the Endangered Species Act.
The loss of exploration monies that provide jobs and eventually lead to new mines may well cost the state far more in the long run than the new fees will raise.
The Bawl Mill • Original Sixteen-to-One Mine Fights On • Working the Belmont Mine—1953 (Part 3—Conclusion) • Company Notes • Picks & Pans: Gold and Bears • Gold in North Dakota • The North Star Mine • Dectecting Alaskan Gold Nuggets • The Ancient History of Gold • Columbians Continue Search for Emeralds • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver