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Pediments
April 2005 by Edgar B. Heylmun, PhD
A pediment is a broad, gently sloping erosion surface or plain of low relief that is often found in arid and semi-arid regions at the base of a receding mountain front. The example shown is from the Palo Verde Ranch 15-minute topographic quadrangle, southwest of Tucson, Arizona. This is one of the best examples the writer has ever seen.Comments Needed On Pebble Project Draft EIS
If you do not have the time to read the entire document, I would suggest starting with the Executive Summary that begins on page 80.
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I had been looking forward to this trip since last year when the annual trip had rewarded me with a ¾-pennyweight nugget.
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No Gravel, No Gold
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• Anti-mining bill dies in Washington State
Legislative and Regulatory Update
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Internet Scams
It starts out innocently enough…
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The Bawl Mill
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