1. Prin., Woodward-Clyde Consultants, San Francisco, Calif
2. Assoc. Prof. of Civ. Engrg., Rensselaer Polytechnic Inst., Troy, N.Y.; formerly, Sr. Project Engr., Woodward-Clyde Consultants, San Francisco, Calif
3. Project Engr., Woodward-Clyde Consultants, Plymouth Meeting, Pa