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Clean Fuel, Cleaner Air
February 2001 by Amy Covington
A-55 Clean fuels, which are emulsions of oil and water, are said to produce much lower oxides of nitrogen and particulate matter emissions.Prospecting After Winter Storms
So, how much rain does it take to cause a major movement of gravels in a stream and redistribute the gold? The technical answer is enough water to move the bed load of the river.
How Long Does It Take to Find and Recover An Ounce of Gold?
Some ask if a prospector can collect an entire ounce in a day. It is possible; I’ve done it before.
The Fort Knox Mine—1,200 Ounces a Day
In years past, it was a long, mosquito infested walk through these hills, not only as a youth but also as an enthusiastic gold prospector and explorer in search of old gold mines and lost paystreaks. Hours were spent going through...
Group Sues Feds Over New Nat'l Monuments
Several Arizona lawmakers and Utah ranchers filed suit against the federal government over the creation of a national monument in northern Arizona.
Mining Stock Quotes and Mineral & Metal Prices
Mining Law—A Short History
The General Mining Law of 1872 is not antiquated, but its roots are ancient, stemming from Greek and Roman law, and continued in English and Spanish law. The recorded laws and practices of mining extend back nearly 3000 years.
Shortage of Mining Engineers Projected
As decade-high gold and silver prices spark a renewed interest in mining in the West, there are few mining education programs and fewer students earning mining engineering degrees due to two decades of decline in the US mining industry.
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