1. Fellow, ASCE
2. Member, ASCE
3. Spencer J. Buchanan Prof., Dept. of Civ. Engrg., Texas A&M Univ., College Station, TX 77843-3136.
4. Pres., Geo-Con, 4075 Monroeville Blvd., Corporate 1, Build. 2, No. 400, Monroeville, PA 15136.
5. Des. Engr., Tensar Earth Technologies Inc., 5775-B Glenridge Dr., Lakeside Ctr., Ste. 450, Atlanta, GA 30328-5363.