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May 4, 2005
Contact: Lisa Eitner, Oread Books, (785) 864-4431.

Grand Canyon author to sign book at Oread Books May 5


LAWRENCE -- James Lawrence Powell will present his new book of geological history, Grand Canyon: Solving Earth's Grandest Puzzle at a book signing from 6 to 7 p..m. Thursday, May 5, 2005 at Oread Books in the Kansas Union on the University of Kansas campus in Lawrence. The event is free and open to the public.
 
Powell is executive director of the National Physical Science Consortium, and former director and president of the Los Angeles County Museum of Natural History. He taught geology for 20 years at Oberlin College. He is the author of two previous books, Night Comes to the Cretaceous and Mysteries of Terra Firma.

Powell, who is not related to explorer John Wesley Powell, brings together both a rigorous explanation of geological processes and the new solution he has termed the Lazarus Theory that explains how the lower part of the Colorado River, below the Grand Canyon, could be younger than the river above the canyon. He also shows how the investigation of the canyon in the mid-1800s led directly to today's understanding of continental drift and tectonic plates.
 
" John Wesley Powell, the pioneer explorer of the Grand Canyon, believed that science could reveal a deeper history of America, one that we should know for our own survival. As this excellent book shows, that prophecy has come true: modern science indeed has revealed just how fragile our civilization is  --  as vulnerable as the rocks water has relentlessly washed away in the canyon," said Donald Worster, Hall distinguished pofessor of American history at KU." A clear, dramatic and humbling story of continental discovery."

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