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BULLETIN 308, U. S. DEPARTMENT OF AGRICULTURE. 



Fig. 3a. — Profile of trees in the original unthinned stand ; 15 trees living. 



Fig. 3b. — Same stand after first thinning by removing 7 trees ; 8 trees living. 



Fig. 3. — Successive thinning in an overstocked, even-aged shortleaf stand, 30 years old. 

 mediate ; 4, suppressed ; 5, dead. Tree outlines in original stand. 



