The Author 



NEDAVIA BETHLAHMY is a Principal For- 

 est Hydrologist for the Streamflow Reg- 

 ulation research work unit of the Inter- 

 mountain Forest and Range Experiment 

 Station in Moscow, Idaho. He began his 

 career with the Forest Service in Cali- 

 fornia in 1940, and since that time has 

 worked and conducted experiments in 

 watershed management research in the 

 Northeastern, Southwestern, Pacific 

 Northwest, and Intermountain Regions. 

 His two-score published studies deal with 

 many phases of forest influences, hydrol- 

 ogy, and watershed management. During 

 the years 1966-1968, he was assigned to 

 the Food and Agriculture Organization of 

 the United Nations to help the Republic 

 of China solve its watershed management 

 problems. He is a Graduate Forester from 

 Penn State, and holds M.F. and Ph.D. 

 degrees from Yale and Cornell Uni- 

 versities. 



