1. Prof. of Civ. Engrg. and Research Engrg., Albrook Hydraulic Lab., Washington State Univ., Pullman, Wash.
2. Hydraulic Engr., Harza Engineering Co., Chicago, Ill.
3. Research Asst., Urban Systems Engrg. Center, Northwestern Univ., Evanston, Ill.
4. Jr. Civ. Engrg. Officer, Moody AFB, Valdosta, Ga.