1. Staff Engr., Inst. for Water Resources, Center for Advanced Planning, Corps of Engr., Alexandria, Va.; formerly Research Engr., Utah Water Research Lab., Utah State Univ., Logan, Utah.
2. Assoc. Prof. of Civ. Engr., Colorado State Univ., Fort Collins, Colo.; formerly Assoc. Prof. of Civ. Engrg., Utah Water Research Lab., Utah State Univ., Logan, Utah.