1. Staff Engineer, Grundfos Corp., 5900 E. Shields Ave., Fresno, CA 93727; formerly, M.S. Student, Dept. of Civil and Geomatics Engineering, California State Univ., Fresno, CA 93740.
2. Associate Professor, Dept. of Civil and Geomatics Engineering, California State Univ., Fresno, CA 93740 (corresponding author).
3. Professor, Biology Dept., California State Univ., Fresno, CA 93740.