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1962. The conditions under which site preparation is required and the methods now 



available. West. Forest. & Conserv. Assoc. West. Reforest. Coord. 

 Comm. Annu. Meeting (Seattle) Proc . 1962: 7-11. 



(2147) and Ralph Hansen. 



1941. Volume distribution in ponderosa pine trees . U.S. Forest Serv. Northern Rocky 

 Mountain Forest and Range Exp. Sta. Res. Note 17, 2 pp. 



(2148) , R. F. Watt, and A. E. Helmers. 



1951. What to see and where to find it on the Priest River Experimental Forest. U.S. 

 Forest Serv. Northern Rocky Mountain Forest and Range Exp. Sta. Misc. 

 Pub. 3, 86 pp. 



(2149) Wells, Osborn O. 



1964. Geographic variation in ponderosa pine. I. The ecotypes and their distribution. 

 Silvae Genet. 13: 89-103. 



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1964. Geographic variation in ponderosa pine. II. Correlations between progeny per- 

 formance and characteristics of the native habitat. Silvae Genet. 13: 125-132. 



(2151) Wendelken, W. J. 



1963. Preliminary trials on the afforestation of eroding mountain watersheds in New 



Zealand. N. Zeal. J. Forest. 8: 751-759. 



(2152) West, A. S., Jr. 



1947. California flatheaded borer (Melanophila californica Van Dyke) in ponderosa pine 

 stands of northeastern California. Can. J. Res. 25(Sect. D): 97-118. 



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n.d. Facts about ponderosa pine. 4 pp. (Portland, Oreg.) 



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1935. Shrinkage and swelling of ponderosa pine. West. Pine Assoc. (Portland, Oreg.) 

 Tech. Bull. 1. 



1937. Prevention of sap stain in western pine. West. Pine Assoc. Res. Lab. Note 8, 

 6 pp. 



1949. Standard grading rules for ponderosa pine (Pinus ponderosa ), sugar pine ( Pinus 

 lambertiana) , Idaho white pine (Pinus monticola ), lodgepole pine, larch, 

 Douglas -fir, white fir, Engelmann spruce, incense cedar, red cedar lumber. 

 West. Pine Assoc. , 132 pp. 



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1949. Treatments for finishing western pine paneled walls. U.S. Works Project 

 Admin. Folder 407, 4 pp. 



1953. Ponderosa pine - the pick o' the pines - its properties, uses and grades. 

 West. Pine Assoc., 72 pp. 



(2159) Westing, Arthur H. 



1959. Effect of gibberillin on conifers generally negative. J. Forest. 57: 120-122. 



(2160) Westveld, R. H. 



1926. New method of pine brush disposal. Timberman 27(4): 114-115. 



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1926. Slash disposal. Its role in the yellow pine region. Timberman 27(6): 44, 46. 



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