Pearson, G. A. 



1950. Management of ponderosa pine in the southwest. U.S. Dep. Agr. , Agr. 

 Monogr. 6, 218 p., illus. 

 Roe, Arthur L., and A. E. Squillace. 



1950. Can we induce prompt regeneration in selectively-cut ponderosa pine stands? 

 Northern Rocky Mountain Forest and Range Exp. Sta. Res. Note 81, 7 p. 

 Roeser, Jacob, Jr. 



1941. Some aspects of flower and cone production in ponderosa pine. J. Forestry 

 39(6): 534-536. 

 Squillace, A. E. 



1953. Effect of squirrels on the supply of ponderosa pine seed. U.S. Forest 



Serv., Northern Rocky Mountain Forest and Range Exp. Sta. Res. Note 131, 

 4 p. 



, and Lowell Adams. 



1950. Dispersal and survival of seed in a partially-cut ponderosa pine stand. 



U.S. Forest Serv., Northern Rocky Mountain Forest and Range Exp. Sta. 



Res. Note 79, 4 p. 

 Stein, William I. 



1964. More natural regeneration by controlling seed-eating rodents. U.S. Forest 

 Serv. Res. Note PNW-12, 10 p. 



Tackle, David. 



1957. Protection of ponderosa pine cones from cutting by the red squirrel. J. 

 Forestry 55(6): 446-447, illus. 



1959. A furtner test of tree bands for cone protection. J. Forestry 57(5): 373. 

 U.S. Dep. Agriculture, Forest Service. 



1965. Silvics of forest trees of the United States. U.S. Dep. Agr., Agr. Handb. 

 271, 762 p. , illus. 



Wenger, K. F. 



1953a. The effect of fertilization and injury on the cone and seed production of 

 loblolly pine seed trees. J. Forestry 51(8): 570-573. 



1953b. Preharvest release of loblolly pine seed trees will increase seed supply 

 at harvest. Southeastern Forest and Range Exp. Sta. Res. Note 45, 2 p. 



AFLC/HAFB. Ogden 



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