THE AUTHORS 



WILLIAM S. PLATTS is a research fishery biologist for the Intermountain 



Station at Boise, Idaho. He received his B.S. (conservation-education) 

 degree in 1955 from Idaho State University, and his M.S. (fisheries) 

 degree in 1957 and Ph.D. (fisheries) degree in 1972 from Utah State 

 University. From 1957 through 1966 he worked as a regional fishery 

 biologist and supervisor, Enforcement, with the Idaho Fish and 

 Game Department. From 1966 through 1976 he was the Idaho Zone 

 Fishery Biologist for the USDA Forest Service, Intermountain Region, 

 and consultant to the SEAM program. Since 1976 he has worked as a 

 research fishery Biologist, USDA Forest Service, Intermountain 

 Station. 



VANCE E. PENTON is an Associate Engineer in the Mechanical Engineering 

 Department at the University of Idaho, Moscow. He received 

 his B.S. (mechanical engineering) degree in 1960 from the University 

 of Idaho and his M.S. (mechanical engineering) degree in 1965 from 

 the University of Idaho. He has worked for the University of Idaho 

 since 1960 as an instructor, research technologist, assistant pro- 

 fessor, and associate professor. He was employed as a hydrologic 

 engineer (instrumentation design) for the Agriculture Research 

 Service, Boise, Idaho in the summers of 1964 and 1970. 



