Cover Sheet
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Mark D. Zoback Department of Geophysics Stanford University Stanford, CA 94305 zoback@pangea.stanford.edu |
Stephen H. Hickman U.S. Geological Survey 345 Middlefield Rd., MS 977 Menlo Park, CA 94025 hickman@thepub.wr.usgs.gov |
William L. Ellsworth U.S. Geological Survey 345 Middlefield Rd., MS 977 Menlo Park, CA 94025 ellswrth@andreas.wr.usgs.gov |