1. Associate Professor, School of Civil Engineering and Environmental Science, Univ. of Oklahoma, 202 W. Boyd St., Room 334, Norman, OK 73019 (corresponding author).
2. NRC Postdoctoral Research Associate, Federal Highway Administration, Turner-Fairbank Highway Research Center, Room 206, 6300 Georgetown Pike, McLean, VA 22101; formerly, Ph.D. Candidate, School of Civil Engineering and Environmental Science, Univ. of Oklahoma Norman, OK 73019.
3. Project Manager, Geotech Engineering and Testing, 4100 Greenbriar Dr., Apt 429, Houston, TX 77098; Formerly, M.Sc. Student, School of Civil Engineering and Environmental Science, Univ. of Oklahoma, 202 W. Boyd St., Room 334, Norman, OK 73019.
4. Professor, School of Civil Engineering and Environmental Science, Univ. of Oklahoma, 202 W. Boyd St., Room 334, Norman, OK 73019.