THE AUTHOR 



GERALD E. REHFELDT is a plant geneticist at the Forestry Sciences 

 Laboratory, Moscow, Idaho. Primary emphasis of his research 

 is on the ecological genetics of Northern Rocky Mountain 

 conifers. 



ACKNOWLEDGMENT 



This report was prepared for the Southern Idaho Tree Improvement 

 Committee, a cooperative composed of Region 4, USDA Forest Service; 

 Idaho Department of Lands; Bureau of Land Management, Boise District; 

 and the Southern Idaho Forestry Association, Inc. The cooperative is 

 under the guidance of Ron Hamilton, but numerous individuals controlled 

 the quality of the 16 years of data. Stephen P. Wells provided technic^ 

 assistance. Hans Nienstaedt, Gene Namkoong, Donald Lester, and LeRoy 

 Johnson provided thoughtful criticism on the manuscript. 



