Bui. 1176, U. S. Dept. of Agriculture. 
Plate VI 
Fig. 1.— A shelterwood cutting in Jeffrey pine on Site III, where 20 years or more may be 
required before reproduction becomes established. Tahoe National Forest. 
Fig. 2. — A heavy cutting where advance reproduction is absent. It is doubtful if so few 
reserved seed trees of this size and age can furnish enough seed for regeneration under 
prevailing unfavorable conditions. 
