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 Uni- 

 versity. 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 Intermoun- 

 tain Region and consulted with the SEAM program. 



FRED E. PARTRIDGE is a Biological-Technician for the later- 

 mountain Station at Boise, Idaho. He received his B.S. 

 (Fisheries) degree in 1975 from Humboldt State University, 

 and is presently completing requirements for an M. S. in 

 Fisheries there. From 1969 to 1975 he worked as a 

 Biological-Aid for the California Fish and Game Depart- 

 ment and in 1976 worked as a Biological-Aid on stream 

 surveys for the Montana Fish and Game Department. 



