* 1925 WAHLENBERG, W. G. 



Sowing and planting season for western yellow pine. Jour. 

 Agr. Res., 30(3):245. Feb. 



* 1926 



1930 



1940 

 * 1941 



1946 



1946 



1946 



1947 



* 1947 



Age classes of western white pine planting stock in relation 

 to aspect of planting; site in northern Idaho. Jour. Agr. 

 Res. 3 33(7): 611. Oct. 



Investigations in weed control by zinc sulphate and other chem- 

 icals at the Savenac Forest Nursery. U. S. Dept. Agr. Tech. 

 Bui. 156, 35 pp., illus. Jan. 



* 1936 WEIDMAN, R. H. 



Timber growing and logging practice in ponderosa pine in the 

 northwest* U. S. Dept. Agr. Tech. Bui* 511, 91 PP*, illus. T June 



* 1940 WELLNER, C. A. 



Effects of cleaning in a reproduction stand of western white 

 pine and associates* Research Note no. 4, 4 pp., illus. 

 Mimeo. Mar. 



1940 ______ 



Relationships between three measures of stocking in natural 

 reproduction of the western white pine type. Jour. Forestry, 

 38(8) .-636-638* Aug. 



Native trees of Montana and northern Idaho. 43 pp. Illus. Mimeo, 



Blister rust control in relation to white pine silviculture, 

 The Idaho Forester, Univ. Idaho, 23:13-14. 



Improving composition in young western white pine stands. 

 Research Note no, 43, 6 pp., tables. Mimeo. June. 



Estimating light intensity in residual stands in advance of 

 cutting. Research Note no. 47, 4 pp., tables. Mimeo. Dec. 



Recent trends in silvicultural practice on the national for- 

 ests in the western white pine type. Jour. Forestry, 

 44(11): 942-944. Nov. 



Pole blight - a new disease of western white pine. Station 

 Paper no. 8, 3 pp., illus. Mult. Nov. 



Forest protection in the silviculture of western white pine 

 forests. Northwest Sci., 21(3) : 109-112. Aug. 



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