Tucson Mountain Chaos
January 2005 by Edgar B. Heylmun, PhDThe Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
• Drug smuggling tunnels filled with environmental delays and red tape
• Did we make the list?
• A whopper of an error
Much of the world’s supply of beryllium is mined by Brush-Wellman, Inc., at Spor Mountain, Utah. The district is in a harsh desert environment which receives only 6 inches of precipitation a year, barely enough to support scrubby desert growth.
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• Do you recognize the face on that milk carton?
• The debate over hockey
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• Beam me up
After a long winter, gold flakes swirling around in black sand at the bottom of my pan was a welcome sight.
I’m sure we all have, at some point in time, gone out detecting and ended up not having the success we thought we would have. Here are some helpful game-changers that work for me and may work for you, as well.
• Setback in California suction dredging fight
• Appeals court hears arguments on forest roads rule
• States push back on firearms
Conservation groups hope to meld the three wilderness areas and surrounding parts of southwestern Oregon into one big wilderness covering 1 million acres—a move Kulongoski has endorsed.
The Bawl Mill • Convention Report • Interview with Congressman Gibbons on Mining Law Reform • The Art of Finding Coarse Gold Part II—Pocket Hunting for Residual Placers • Gold Canyon Resources Targets Gallium • Picks & Pans: Auburn Ravine Gold • Suit Filed to Stop Mining in Northern California • Niobium and Tantalum • The Iola Mine Group, Montgomery County, North Carolina • Effectively Using a Detector and Drywasher for Placer Gold • Mining Companies Use Conservative Valuations • Company Notes • Accident at Robinson Mine Leaves Two Dead • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices