Affiliation: | Sanitary Engineer, U.S. Army Construction Engineering Research Laboratory (CERL), Champaign, IL 61820.;Associate Professor of Civil Engineering and Director, Water Resources Center, Texas Tech University, Lubbock, TX 79409.;Professor of Civil Engineering, Texas Tech University, Lubbock, TX 79409.;Assistant Professor of Civil Engineering, Texas Tech University, Lubbock, TX 79409. |