FOREST BOTANY 353 



United States Chambek of Commerce, Natural Resources Production Depart- 

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 commercial forestry and the community. 47 pp., illus. Washington, D. C. 

 1926, 



(6992) 



progress in commercial forestry. 18 pp. Washington, D. C. 1927. 



■ (6993) 



report of the conference on commercial forestry. 195 pp. Washington, 

 D. 0. 1927. 



United States Forest Service. (6994) 



growing pine timber for profit in the south, some examples, estimates, 

 and opinions by lumbermen and others, U. S. Dept. Agr. Misc. Pub. 24, 

 13 pp. 1928. 



Unwin, A. H. (6995) 



ODD CONDITIONS IN NIGERIA | CLOSE SUPERVISION OF CUTTING IN THESE TROPICAL 



forests with a view to a continuous production. Canad. Forestry Jour. 

 12 (7) : 616-618. 1916. 



Upham, James. (6996) 



making private forestry pay. Amer. Forestry 21 : 647. 1915. 



Upson, A. T. (6997) 



better forestry through better utilization. Jour. Forestry 20: 465-469. 

 1922. 



Volkert, R. M. (6998) 



prolonging the life of the hardwood forest. Cornell Forester 3 : 18-20. 

 1923. 



Wallin, H. C. (6999) 



Sweden's scheme for growing forests. Canad. Forestry Jour. 16 (2) : 

 51-56, illus. 1920. 



Watson, Russell. (7000) 



notes on natural regulation and growth of northern hemlock and hard- 

 WOOD forests. Jour. Forestry 23 : 936-940. 1925. 



■ (7001) 



private forestry : comments. Jour. Forestry 24 : 426-427. 1926. 



Whittle, C. A. (7002) 



profitable forestry in Georgia. Ga. Forest Serv. Bull. 10, 40 pp., illus. 

 1930. 



Wilcoxon, L. R. (7003) 



forestry at CROSSETT. U. S. Dept. Agr., Forest Worker 5(3): 14-15. 1929. 



(7004) 



growing timber for the sawmill. South. Forestry Cong. Proc. 11 : 137- 

 142. 1929. 



Williams, J. C. (7005) 



A PRACTICAL DEMONSTRATION OF PERPETUAL FORESTRY. South. Lumberman 



1601: 42. 1926. 



Wilm, H. G. (7006) 



dixie : land of promise in forestry. South Atlantic Quart. 29 : 369-373. 

 1930. 



Wilson, Ellwood. (7007) 



commercial forestry. Pulp and Paper Mag. 11 (17) : 606-607. 1913. 



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forest management. Forestry Chron. 3 (1) : 11-13. 1927. 



(7009) 



forestry and pulp mill operations. Paper 19 (13) : 13-15. 1916. 



(7010) 



FORESTRY IN ITS APPLICATION TO PAPER MAKING. Paper 12 (9) I 15-17. 1913. 

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