1. Hydrologist, Hydrology Sect., Illinois State Water Survey, Champaign, Ill.; formerly, Asst. Research Engr., Utah Water Research Lab., Coll. of Engrg., Utah State Univ., Logan, Utah
2. Dir., Utah Water Research Lab., and Prof. of Civ. Engrg., Coll. of Engrg., Utah State Univ., Logan, Utah