LITERATURE CITED 



Adams, Lowell. 



1949. The effects of deer on conifer reproduction in northwestern Montana. 

 J. Forestry 47(11): 909-913, illus. 



1950. Consumption of ponderosa pine seed by small mammals. U.S. Forest Serv., 

 Northern Rocky Mountain Forest and Range Exp. Sta. Res. Note 80, 4 p. 



1951a. White-tailed deer browsing on natural conifer seedlings. U.S. Forest Serv. 

 Northern Rocky Mountain Forest and Range Exp. Sta. Res. Note 105, 3 p. 



1951b. White-tailed deer browsing on ponderosa pine plantations. U.S. Forest Serv 

 Northern Rocky Mountain Forest and Range Exp. Sta. Res. Note 89, 5 p. 



1955. Pine squirrels reduce future crops of ponderosa pine cones. J. Forestry 



53(1): 35. 

 Boe, Kenneth N. 



1954. Periodicity of cone crops for five Montana conifers. Mont. Acad. Sci. 

 Proc. 14: 5-9. 

 Curtis, James D. 



1948. Animals that eat ponderosa pine seed. J. Wildlife Manage. 12(3): 327-328. 

 Daubenmire, R. 



1960. A seven-year study of cone production as related to xylem layers and temper 

 ature in Finns ponderosa. The Amer. Midland Natur. 64(1): 187-193, illus 

 , and Jean B. Daubenmire. 

 1968. Forest vegetation of eastern Washington and northern Idaho. Wash. Agr. 

 Exp. Sta. Tech. Bull. 60, 104 p., illus. 

 Foiles, Marvin W. , and James D. Curtis. 



1965a. Natural establishment of ponderosa pine in central Idaho. U.S. Forest 

 Serv. Res. Note INT-35, 4 p., illus. 



, and James D. Curtis. 



1965b. Natural regeneration of ponderosa pine on scarified group cuttings in 

 central Idaho. J. Forestry 63(7): 530-535, illus. 

 Fowells, H. A., and N. B. Stark. 



1965. Natural regeneration in relation to environment in the mixed conifer 

 forest type of California. U.S. Forest Serv. Res. Pap. PSW-24, 

 14 p. , illus . 



Godman, R. M. 



1962. Red pine cone production stimulated by heavy thinning. USDA Forest Serv., 

 Lake States Forest Exp. Sta. Tech. Note 628. 

 Holmes, G. D. , and J. D. Matthews. 



1951. Girdling or banding as a means of increasing cone production in pine 

 plantations. Forestry Comm. Forest Rec. 12. London, 8 p. 



Keen, F. P. 



1958. Cone and seed insects of western forest trees. U.S. Dep. Agr. Tech. Bull. 

 1169, 168 p. 

 McCulley, Robert D. 



1953. Natural regeneration of loblolly pine in the southeastern coastal plain. 

 Southeastern Forest and Range Exp. Sta., Sta. Pap. 26, 13 p. 

 Maguire, William P. 



1956. Are ponderosa pine cone crops predictable? J. Forestry 54(11): 778-779. 

 Meyer, W. H. 



1938. Yield of even-aged stands of ponderosa pine. U.S. Dep. Agr. Tech. Bull. 

 630, 59 p., illus. (Rev. April 1961.) 



IS 



