1. Ph.D. Candidate, Dept. of Civil Engineering, Univ. of New Mexico, Albuquerque, NM 87131-0001.
2. Associate Professor, Dept. of Civil Engineering, Univ. of New Mexico, Albuquerque, NM 87131-0001.
3. Assistant Professor, Dept. of Geography and Environmental Studies, Univ. of New Mexico, Albuquerque, NM 87131-0001.