1. Associate Member, ASCE
2. Fellow, ASCE
3. Postdoctoral Assoc., Dept. of Civ. and Envir. Engrg., Massachusetts Inst. of Technol., Room 1-343, Cambridge, MA 02139.
4. Geotech. Engr., Geotech. Sect., Massachusetts Hwy. Dept., 10 Park Plaza, Boston, MA 02116.
5. Prof., Dept. of Civ. and Envir. Engrg., Massachusetts Inst. of Technol., Room 1-342, Cambridge, MA.