(330) Chapman, Roger C. 



1965. Preliminary aerial photo stand- volume tables for some California timber types. 

 U.S. Forest Serv. Res. Note PSW-93, 9 pp. 



(331) Childs, T. W. 



1955. Needle blight of ponderosa pine. U.S. Forest Serv. Pacific Northwest Forest 

 and Range Exp. Sta. Res. Note 114, 6 pp. 



(332) 



(333) 

 (334) 

 (335) 



1959. Elytroderma needle blight of ponderosa pine. U.S. Forest Serv. Forest Pest 

 Leafl. 42, 4 pp. 



1960. Drought effects on conifers in the Pacific Northwest, 1958 and 1959. U.S. For- 

 est Serv. Pacific Northwest Forest and Range Exp. Sta. Res. Note 182, 5 pp. 



1963. Dwarfmistletoe control opportunities in ponderosa pine reproduction. U.S. For- 

 est Serv. Pacific Northwest Forest and Range Exp. Sta. , 19 pp. 



1963. Ponderosa pine needle cast. P. 97. IN: Internationally Dangerous Forest Tree 

 Diseases. U.S. Dep. Agr. Misc. Pub. 939. 



(336) Ching, Te May, and Kim K. Ching. 



1962. Fatty acids in pollen of some coniferous species . Science 138: 890-891. 



(337) and M. C. Parker. 



1958. Hydrogen peroxide for rapid viability tests of some coniferous tree seeds. 

 Forest Sci. 4: 128-134. 



(338) Choate, Grover A. 



1963. The forests of Wyoming. U.S. Forest Serv. Resource Bull. INT-2, 47 pp. 



(339) 



1965. Forests in Utah. U.S. Forest Serv. Resource Bull. INT-4, 63 pp. 



(340) Christie, H. R. 



1915. The forests of central British Columbia. Forest Quart. 13: 495-503. 



(341) Church, Thomas W., Jr. 



1949. Effects of defoliation on growth of certain conifers. U.S. Forest Serv. North- 

 eastern Forest Exp. Sta., Sta. Pap. 22, 12 pp. 



(342) Clapp, E. H. 



1912. Silvicultural systems for western yellow pine. Soc. Amer. Forest. Proc. 7: 

 168-176. 



(343) Clar, C. R. 



1939. California second-growth pine- -a perpetual crop. Calif. State Printing Office, 

 16 pp. 



(344) Clark, F. G. 



1919. Appraisal of fire damage to immature timber for statistical purposes . J. For- 

 est. 17: 36-38. 



(345) Clark, Joe W. 



1957. Comparative decay resistance of some common pines, hemlock, spruce, and 

 true-fir. Forest Sci. 3: 314-320. 



21 



