1. Assoc. Prof., Dept. of Materials Engrg., Univ. of Illinois at Chicago Circle, Chicago, Ill
2. Research Engr., Univ. of California at Berkeley, Berkeley, Calif
3. Lab Dir., Woodward Clyde Consultants, Clifton, N.J.
4. Assoc. Prof., Univ. of California at Los Angeles, Los Angeles, Calif
5. Research Civ. Engr., U.S. Bureau of Reclamation, Denver, Colo
6. Research Engr., U.S. Army Corps of Engrs., Waterways Experiment Station, Vicksburg, Miss
7. Project Engr., Dames & Moore, San Francisco, Calif
8. Lab. Dir., Woodward Clyde Consultants, Oakland, Calif