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1965. Tree-ring characteristics along a vegetation gradient in northern Arizona. 

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(600) Fuller, W. H., Stanton Shannon, and P. S. Burgess. 



1955. Effect of burning on certain forest soils of northern Arizona. Forest Sci. 1: 

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(601) Furniss, Malcolm M. , and William E. Hallin. 



1955. Development of high-risk trees in ponderosa and Jeffrey pine stands following 



sanitation salvage cutting. U.S. Forest Serv . Calif. Forest and Range Exp. 

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(602) Gail, Floyd W. 



1921 . Factors controlling the distribution of Douglas fir in semi-arid regions of the 

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1926. Osmotic pressure of cell sap and its possible relation to winter killing and leaf 

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(604) and W. H. Cone. 



1929. Osmotic pressure and pH measurements on cell sap of Pinus ponderosa. Bot. 

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(605) and E. M. Long. 



1935. A study of site, root development, and transpiration in relation to the distribu- 

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(606) Gaines, Edward M. 



1962. Improved system for grading ponderosa pine and sugar pine logs in trees. U.S 

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1964. Pocket guide to the improved grading system for ponderosa pine and sugar pine 



saw logs in trees. U.S. Forest Serv. Pacific Southwest Forest and Range 

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(608) , Harry R. Kallander, and Joe A. Wagner. 



1958. Controlled burning in southwestern ponderosa pine: results from the Blue Moun 

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(609) and E. S. Kotok. 



1954. Thinning ponderosa pine in the Southwest. U.S. Forest Serv. Rocky Mountain 

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1960. Cubic-foot volume tables for southwestern ponderosa pine. U.S. Forest Serv. 

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1958. Half a century of research- - Fort Valley Experimental Forest, 1908-1958. 



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

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1965. The impact of multiple use on silviculture- -a view from the Southwest. Soc. 



Amer. Forest. Proc. 1964: 17-18. 



38 



