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A Working Arrastra
April 2004 by Dr. Ralph E. Pray
If everything you see, the men, the animals, the crude mechanism that grinds gold from rock, everything around you, looks to be from centuries ago, if the mysterious sound you hear is pure history and the smell around you is primitive, if the earth beneath your feet quivers with untold strangeness; and, the taste in your mouth sweeps time out of mind then, if all of this happens at once, if every one of your five senses has taken you into the past, then you’ve traveled back in time.Ask The Experts
Is a miniature spectrometer in our future?
VCIs for Environmentally Safe Maintenance
A new preventative maintenance program utilizing environmentally friendly Vapor Corrosion Inhibitors (VCIs) is becoming a reality in major mining operations today.
Gold Rush in the Congo—Part II
We needed something to cook on, so we brought most of our kitchen with us including our full-size oven, which was pretty funny to see in the middle of a rainforest. Food was always a concern, but fortunately for us...
US Rare Earths: We Have & We Have Not
America’s premier source of strategic REEs were regulated out of business and 300 employees lost their jobs. For almost fifteen years America has been dependent on the communist Chinese cartel.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Clean Fuel, Cleaner Air
A-55 Clean fuels, which are emulsions of oil and water, are said to produce much lower oxides of nitrogen and particulate matter emissions.
Sampling, Hydro-Shocking & Cleaning Quartz-Gold Specimens
Many specimens have a small amount of gold and are not pretty to look at. There is a nifty way to give them a makeover and make them much prettier than they were when you found them.
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• Researching Suitable Areas to Detect for Free-Milling Gold
• Training Videos From NIOSH
• The Golden Highway—Amador County
• Prospectores Unite in Washington State
• Flexible Circuits Possible From Gold Wire
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
