Headquarters for the Intermountain Forest and Range 

 Experiment Station are in Ogden, Utah. Field Re- 

 search Work Units are maintained in: 



Boise, Idaho 



Bozeman, Montana (in cooperation with Mon- 

 tana State University) 



Logan, Utah (in cooperation with Utah State 

 University) 



Missoula, Montana (in cooperation with Uni- 

 versity of Montana) 



Moscow, Idaho (in cooperation with the Uni- 

 versity of Idaho) 



Provo, Utah (in cooperation with Brigham Young 

 University ) 



Photo on back cover: — Beck's Ridge and head of 

 Seeley Creek Canyon, site of many experimental 

 plots for plant studies by Utah Experiment 

 Station personnel. 



