1. Senior Project Engineer, Golder Associates Inc., 4730 N. Oracle Rd., Ste. 210, Tuscon, AZ 85705.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Ira A. Fulton School of Engineering, Arizona State University, Tempe, AZ 85287–5306.
3. Geotechnical Staff, NCS Consultants, 1860 E. River Rd., Suite 300, Tucson, AZ 85718.