1. Asst. Prof. of Civ. Engrg., Colorado State Univ., Fort Collins, Colo.
2. Assoc. Dean for Engrg. Research and Prof. of Civ. Engrg., Colorado State Univ., Fort Collins, Colo.
3. Sr. Hydrologist; Dames and Moore, Bethesda, Md., formerly, Assoc. Prof. of Civ. Engrg., Colorado State Univ., Fort Collins, Colo.