U Wahlenberg, ¥. G. 



Relation of quantitv of seed somi and density of seedlings to 

 the development and survival of forest planting stock. 

 Jour. Agr. Res. 38(4) :219-227. 1929. 



U 



u 



Effect of ceanothus brush on western ye]. low pine plantations 



in the northern Rocky Mountains. Jour. Agr. Res. 41(6) t 601-612, 

 1930. 



Experiments in the use of fertili.zers in grox\ring forest planting 

 material at the Savenac Nursery. U. S.Dept. Agr. Cir. 125. 

 1930. 



Investigations in v;eed control by zinc sulphate, and other chem- 

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

 Eul< 156, 35 pp., illus. 1930. ■ • 



U V/eidman, R, H. 



Desirable forestry practice for western yellow oine in the 

 Northwest. Miineo. 58 pp. 1924. 



^blic requirements for continuous forest production in the 

 northern 3'-ellow pine region, Mimeo, 57 pp. 1924. 



Some principles to guide the marking axe in western yellow 

 p.ine in the northwest. The Idaho Forester, vol. VIII, 

 p. 8. 1926. 



Prolific seed product.ion in the forests of northern Idaho, 

 Northwest Sci. l(4):79-'80. 1927. 



Timber gro\\ring and logging practice in ponderosa pine in the 

 Northwest. U. S. Dent. Agr. Tech. Bui. 511, 91 pp., illus, 

 1936. 



Evidences of racial influence in a 25-year test of ponderosa 

 pine. Jour. Agr. Res. 59:855-888. 1939. 



V/ellner^ C. A. 



Effects of cleaning in a reproduction stand of western white 

 pine and associates. Research Note 4, 4 PP., illus. Mmeo, 

 1940. 



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