1. Senior Geotechnical Engineer; Shannon and Wilson, Inc.; 400 North 34 Street Suite 100, PO Box 300303 Seattle WA 98103 U.S.A.
2. Department of Engineering; University Lecturer in Geotechnical Engineering, University of Cambridge; Schofield Centre, High Cross, Madingley Road Cambridge CB3 0EL U.K.
3. Civil Engineering CE/TTI, 3136 TAMU; Professor, Texas A&M University; College Station TX 77843-3136 U.S.A.