POSTED 3 NOV 2005
Credits
* Elizabeth Cochrane
Scripps Institution of Oceanography* Thorne Lay
Earth sciences department
University of California, Santa Cruz* Tom Parsons
U.S. Geological Survey
Menlo Park, Calif.Michael Ritzwoller, Director
Center for Imaging the Earth's Interior
University of Colorado at Boulder* Cliff Thurber
Professor of geology and geophysics
University of Wisconsin-Madison* indicates fact-checker
