(251) Brown, J. P. 



1902. The destructive bark beetles of Pinus ponderosa . Int. Soc. Arboricult. Spec. 

 Rocky Mountain Bull., Denver, Colo., 8 pp. 



(252) Brown, R. C. 



1954. Genetic variation in resistance of trees to insect attack. First Northeast. For- 

 est Tree Improvement Conf. Proc, N. Y. State Conserv. Dep. Misc. Pub., 

 pp. 30-32. 



(253) Brown, R. M. 



1928. Survival and growth of trees planted in Rock Creek Park Arboretum, Wash. , 

 D.C. J. Forest. 26: 94-104. 



(254) Browne, F. L. 



1963. A tensile strength test for comparative evaluation of wood preservatives. For- 



est Prod. J. 13: 405-412. 



(255) and J. J. Brenden. 



1964. Heat of combustion of the volatile pyrolysis products of fire -retardant -treated 



ponderosa pine. U.S. Forest Serv. Res. Pap. FPL-19, 16 pp. 



(256) and W . K . Tang. 



1962. Thermogravimetric and differential thermal analysis of wood and wood treated 



with inorganic salts during pyrolysis . Forest Prod. J. 4: 76-91. 



(257) and W. K. Tang. 



1963. Effect of various chemicals on thermogravimetric analysis of ponderosa pine. 



U.S. Forest Serv. Res. Pap. FPL-6, 20 pp. 



(258) Bruce, Donald. 



1916. The Biltmore stick and the point of diameter measurements. Soc. Amer. For- 

 est. Proc. 11: 226-229. 



(259) 

 (260) 



1922. The relative cost of making logs from small and large timber. Calif. Agr. 

 Exp. Sta. Bull. 339, pp. 317-333. 



1923. The relative cost of yarding small and large timber. Calif. Agr. Exp. Sta. 

 Bull. 371, 36 pp. 



(261) 



1942. Maturity selection. Timberman 43(8): 20-26, 32, 



(262) Brundage, M. R. 



1930. Dipping pine to prevent stain. Timberman 31(7): 156, 158. 



(263) 



1938. Valuation of trees and cutting systems on four sample plots, Blacks Mountain 

 Experimental Forest, 1938. U.S. Forest Serv. Calif. Forest and Range 

 Exp. Sta. , 4 pp. 



(264) 



1939. Summary of office report on a proposed new log grade classification for Califor- 

 nia pine region virgin timber. U.S. Forest Serv. Calif. Forest and Range 

 Exp. Sta. , 13 pp. 



(265) , M. E. Krueger, and D. Dunning. 



1933. The economic significance of tree size in western Sierra lumbering. Calif. 

 Agr. Exp. Sta. Bull. 549, 61 pp. 



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