Miscellaneous Publication 423, U. S. Dept. of Agriculti 



Plate 8 





Kaibab Plateau, Coconino County, altitude about S,200 feet. A, A natural 

 opening in the mesic evergreen forest. The trees arc chiefly Picea engelmanni. 

 B, A thick stand of young Populus tremuloides. The coniferous seedlings arc 

 Picea pungens and Pseudotsuga taxifolia. 



