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.
Back at the entry point of the mine, we took turns slowly crawling down the slope leading into the mine portal with our metal detectors, hard hats and flashlights. The mine was hand dug and is about 75 yards long.
In 2005, my wife and I, along with our supervisor Horacio, made numerous business and supply trips from Arivechi, Sonora, to the capital of Sonora, Hermosillo. This is a distance of 135 miles along a very narrow paved mountain road.
Placer gold was found near South Pass, at the south end of the Wind River Mountains, in 1842, and lode gold was discovered in the same area in 1867. The principal gold rush was between 1867 and 1874.
• DOI backs mill sites
• Arizona goes to bat for miners
• Battles continue in California
• Climate change legislation
• No end in sight to tax and spend
• Leadership or sinking ship?
Scientists from the state Department of Natural Resources reported that they recently discovered the highest concentrations of gold particles ever found in the state during routine soil sampling near Soudan.
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