[1729) Scott, Chas. A. 

 1917. A practical method of preventing the damping off of coniferous seedlings. 



J. Forest. 15: 192-196. 



[1730) Shankiin, John F. 

 1960. Forest conservation. U.S. Dep. Interior Conserv. Bull. 42, 86 pp. 



[1731) Shantz, H. L. 



1938. Plants as soil indicators. Ponderosa pine and Douglas-fir. U.S. Dep. Agr. 

 Yearbook 1938: 854. 



[1732) Shattuck, C. H. 

 1921. The importance and distribution of western yellow pine. U.S. Dep. Agr. Bull. 



1003, 13 pp. 



[1733) Shaw, Charles Gardner, George W. Fischer, Donald F. Adams, and others. 



1951. Fluorine injury to ponderosa pine: a summary. Northwest Sci. 25: 156. 

 (Other authors: Mark F. Adams and Donald W. Lynch.) 



[1734) Shaw, Elmer W. 

 1954. Direct seeding in the Pacific Northwest. J. Forest. 52: 827-828. 



i and G. R. Staebler. 



1950. Financial aspects of pruning. U.S. Forest Serv. Pacific Northwest Forest and 

 Range Exp. Sta., 45 pp. 



[1736) and George R. Staebler. 



1952. An analysis of investments in pruning. J. Forest. 50: 819-823. 



[1737) Shaw, George Russell. 

 1914. The genus Pinus . Arnold Arboretum Pub. 5, 96 pp. Riverside Press, Cam- 

 bridge. (Reprinted 1958 by Murray Printing Co. , Forge Village, Mass.) 



[1738) 



1933. Notes on the genus Pinus. The black cone of Pinus ponderosa. Arnold Arboretum 

 J. 14: 258. 



[1739) Shaw, Warren D., and Clifford E. Fago. 

 1962. Mortality and growth plots on Boggs Mountain State Forest. Calif. Div. Forest. 



State Forest. Note 12, 8 pp. 



[1740) Shea, Keith R. 



1956. Project analysis: dwarfmistletoe of ponderosa pine. Weyerhaeuser Timber Co. 

 Forest Res. Center, 27 pp. 



[17411 



1957. Dwarfmistletoe and its relations to ponderosa pine management. Fifth West. 

 Int. Forest Dis. Work Conf. (Salem, Oreg.) Proc, pp. 64-69. 



[1742) 



[1743] 



[1744) 



1961. Dwarfmistletoes of ponderosa pine: present status and future needs. Int. Bot. 

 Congr. Recent Advances in Bot. 9(2): 1541-1544. 



1962. The endophytic system of ponderosa pine dwarfmistletoe in relation to swollen 

 branch tissues. Forest Sci. 8: 298-302. 



1963. The role of forest disease in the management of West Coast forests. Soc. Amer. 

 Forest. Proc. 1962: 134-137. 



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