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1951. Interspecies hybrids in pines. J. Hered. 42: 75-80. 



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1965. A silviculturist looks at grass and grazing effects on ponderosa pine. Soc. 

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1961. Chemical debarking of plantation grown conifers for pulpwood and fence post 



production. Victoria Forests Comm. (B.C., Canada) Forest. Tech. Pap. 7: 

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(1624) Robinson, G. P. 



1945. A system of cruising ponderosa pine. Timberman 48(5): 128-130. 



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1947. What is the right cutting cycle for ponderosa pine? U.S. Forest Serv. Northern 

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1951. Growth tables for selectively-cut ponderosa pine in western Montana. U.S. For- 

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1952. Growth of selectively cut ponderosa pine stands in the Upper Columbia Basin. 

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



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1926. The importance of seed source and the possibilities of forest tree breeding. 

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1940. The water requirements of Rocky Mountain conifers . J. Forest. 38: 24-26. 



1941. Some aspects of flower and cone production in ponderosa pine. J. Forest. 39: 

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101 



