1. MMI Engineering Inc., 475 14th Street, Suite 400, Oakland, CA 94612
2. Lochner, 2001 Front St. NE, Suite 120, Salem, OR 97303
3. School of Civil Engineering, Purdue University, West Lafayette, IN 47907
4. Emeritus, Department of Earth and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907