THE AUTHORS 



DAVID L. HANKS was a Plant Physiologist in 1969 for the Intermountain 

 Forest and Range Experiment Station in Ephraim, Utah. He received 

 his B. S. degree in Botany (1962) and M. S. degree in Chemistry (1963) 

 from Brigham Young University. He obtained his Ph. D. in Plant 

 Physiology (1966) from the University of Michigan. Between 1966 and 

 1969 he taught mycology and plant physiology at Brigham Young Uni- 

 versity. He is presently teaching plant physiology at the University 

 of Missouri, Kii-ksville. 



JAMES R. BRUNNER is a Range Conservationist for the Bureau of Land 

 Management, which position he has held since 1957. Prior to that 

 time, he served in a similar capacity for the Soil Conservation Serv- 

 ice in Texas. He received his B. S. degree in 1941 from Colorado 

 State University at Fort Collins. 



DONALD R. CHRISTENSEN is a Game Biologist for the Utah State Divi- 

 sion of Fish and Game. He received his B. S. degree from the Uni- 

 versity of Utah in Zoology (1955). From 1955 to 1957, he worked as 

 a chemist for Kennecott Copper Corporation and since 1958, he has 

 worked for the Utah State Division of Fish and Game as a Research 

 Game Biologist. 



A. PERRY PLUMMER is a Research Scientist for Intermountain Station 

 at Ephraim, Utah. He has worked in range research for the Station 

 since 1936. He received his B. S. degree (1935) and his M.S. degree 

 (1939) in Botany from the University of Utah. His research has been 

 principally concerned with the restoration of western ranges. 



