238 MISC. PUBLICATION 273, U.S. DEPT. OF AGRICULTURE 



Figure 110. — Burning a standing lodgepole pine for bark-beetle control. 



care must be used to avoid serious conflagrations. It is also limited 

 to trees of moderate height that can be burned as high up as 

 the infestation, and to situations where the fire hazard is not too 

 great. 



Lodgepole pine growing in dark woods or in dense thickets of 

 underbrush, where the sun-curing method is not effective, or tall 

 trees that cannot be successfully treated in the standing position 

 can be felled and burned with oil if decking and burning in piles 

 is not feasible. A slow-burning fuel oil is used, and the fire is 

 carried along and confined to the bole of the tree by spraying on 

 oil from a hand pump. Two men follow behind the fireman and 



