THE AUTHORS 



RAY BOYD received his B.S. in general sciences from 

 Colorado State University in 1949 and his master of 

 forestry degree in 1951. From 1949 to 1953 he did 

 silvicultural research for the Rocky Mountain Forest 

 and Range Experiment Station. Since 1953 he has been 

 an Associate Silviculturist , assigned to the Station's 

 silviculture of western white pine work unit now at 

 Moscow, Idaho. 



GLENN H. DEITSCHMAN, a native of Minnesota, earned 

 his B.S. degree in forestry at the University of Min- 

 nesota, and his master's degree at Penn State. His 

 Forest Service career began at the Central States 

 Station's branch at Carbondale, Illinois, in 1948, 

 where he was a Research Forester in silviculture and 

 regeneration. From 1955 to 1961 he was Research 

 Center Leader at Ames, Iowa. Since 1961 he has been 

 Leader of Intermountain Station's silviculture of west- 

 ern white pine work unit at Moscow, Idaho. 



