USDA Forest Service 

 Research Paper INT-71 

 1970 



THE MOUNTAIN PINE BEETLE IN LODGEPOLE PINE FORESTS 



Arthur L. Roe and Gene D. Amman 



INTERMOUNTAIN FOREST AND RANGE EXPERIMENT STATION 



Forest Service 

 U.S. Department of Agriculture 

 Ogden, Utah 84401 

 Joseph F. Pechanec, Director 



