Clean Fuel, Cleaner Air
February 2001 by Amy CovingtonA-55 Clean fuels, which are emulsions of oil and water, are said to produce much lower oxides of nitrogen and particulate matter emissions.
The massive 2013 theft, in which tens of millions worth of gems were stolen from the hold of a departing Swiss-bound plane, had all the hallmarks of an “Ocean’s Eleven” operation. And it still might still get a Hollywood ending.
Some ask if a prospector can collect an entire ounce in a day. It is possible; I’ve done it before.
President Clinton took a helicopter tour of the Grand Canyon yesterday, then put his pen to paper to designate three more areas as national monuments and expand several others.
When Spaniards entered what is now Arizona, they encountered diggings made by Opata Indians. The Opata Indians, who now live and mine in the northeastern part of the state of Sonora, Mexico, were one of the few Indian tribes that was...
• A place for mining equipment "on the cheap"?
A case involving a Northern California dredger who was cited by the Forest Service for operating without a Notice of Intent, Plan of Operation or special-use authorization was resolved in the miner’s favor.
The Bawl Mill • Our Readers Say • The King Has No Clothes • GATA Update • Gold Miners Become Tungsten Miners • Mining Deaths Drop Overall in 2000 • History of Oil in California • VCIs for Environmentally Safe Maintenance • Picks & Pans: Dredging on the Arkansas • Placer Gold in Washington • Alaska Miners to Sue Department of Interior • Oregon's Measure 7 May Provide Compensation for Land-Use Restrictions • Company Notes • Environment-Friendly Dredging • Legacy of the Wandering Jew Mine • Babbitt Wants Moratorium in Siskiyou National Forest • Gem Discoveries Sought in North Carolina Field • Greaterville, Arizona • Identifying Gold Ores • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices