1. Sr. Civ. Engr., Tippetts-Abbett-McCarthy-Stratton, The TAMS Building, 655 Third Ave., New York, N.Y. 10017
2. Research Hydr. Engr., U.S. Dept. of Agr. Sedimentation Lab., Oxford, Miss.
3. Prof., Dept. of Civ. Engrg., The Univ. of Mississippi, University, Miss.