ILLUSTRATIONS. 



PLATES. 



Page. 



A 19-year-old stand of quality I chestnut sprouts Frontispiece. 



Plate I. Fig. 1. — Typical clean cutting for cord wood in first quality rock-oak 



(ridge) type. Fig. 2. — Dense white pine reproduction 16 



II, Fig. 1. — Thirty-seven-year-old stand of quality II chestnut. Fig. 



2. — Fifty-year-old stand of quality I chestnut 32 



III. Fig. 1. — Stand of chestnut sprouts and seedlings, 90 to 100 years old. 



Fig. 2. — Moderate thinning in 35-year-old quality I chestnut . 48 



IV. Fig. 1. — Forty-five-year-old quality II chestnut stand before thin- 

 ning. Fig. 2. — Same stand after thinning 48 



V. Fig. 1. — Forty-five-year-old chestnut stand, quality III, before thin- 

 ning. Fig. 2. — Same stand after heavy thinning 56 



VI. Fig. 1. — Forty-five-year-old stand of chestnut oak, quality III, 



before thinning. Fig. 2. — Same stand after thinning 56 



TEXT FIGURES. 



Fig. 1. — Height growth of dominant trees, chestnut type 32 



2.— Basal area per acre for three quality classes, chestnut type 33 



3. — Yield per acre for three qualities in chestnut, oak-chestnut, and oak 



types 34 



7 



