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1960. Eating of tree seeds by birds in central Oregon. Oreg. Forest Res. Center 

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(523) Eaton, Charles B. 



1941. Influence of the mountain pine beetle on the composition of mixed pole stands of 

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1942. Biology of the weevil Cylindrocopturus eatoni Buchanan, injurious to ponderosa 

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1959. Insect-caused mortality in relation to methods of cutting in ponderosa pine on 



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1962. Entomological considerations in the economics of forest pest control. J. Forest. 

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(527) Eden, C.J. 



1965. Use of X-ray technique for determining sound seed. U.S. Forest Serv. Tree 

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(528) Edmunds, G. F., and R. K. Allen. 



1958. Comparison of black pine leaf scale population-density on normal ponderosa 



pine and those weakened by other agents. Int. Congr. Entomol. Proc. 10: 

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(529) Egan, James A. 



1949. Forestry above the Mogollon Rim. J. Forest. 47: 14-17. 



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1954. Silvicultural foundations for national forest cutting practice in the ponderosa 

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(531) Eickner, H. W. 



1962. Basic research on the pyrolysis and combustion of wood. Forest Prod. J. 12: 

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(532) Eisman, Lucille. 



1965. Pine trees can rescue worn-out soil. Org. Gard. & Farming 10(12): 42-44. 



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1960. Influence of grazing on plant succession of rangelands . Bot. Rev. 26: 1-78. 



(534) Elorrieta Y Artaza, J. 



1964. (Trials of ponderosa and Jeffrey pine on the southern slopes of the Sierra 



Nevada--1922-62.) Inst. Forest, de Invest, y Exper. (Madrid, Spain), 

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1953. 1953 flower production of coniferous trees. Oreg. State Board Forest. Res. 

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(536) Entrican, Alex. R. 



1962. The influence of delivered prices of forest produce on silvicultural practice in a 

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