Figure 5 . --These stands in south-central Idaho are composed almost entirely of Douglas- 

 fir and lodge-pole pine. Regeneration of Douglas- fir on these habitats is much 

 . more difficult than on those depicted in figures 2-4. 



Figure 6. — In the high pla^teau country of southern Utah, Douglas-fir is often a major 

 component of the overstory , hut is only a minor component of the understory, which 

 is dominated by subalpine fir and Engelmann spruce.. Vfhen the photo was to-ken (1968) 

 there were still no tree seedlings in this 2-year-old opening. 



i 



