1574) Quick, Clarence R. 



1964. Experimental herbicidal control of dwarfmistletoe on some California conifers. 

 U.S. Forest Serv. Res. Note PSW-47, 9 pp. 



1575) Quintus, R. L. 



1952. Direct seeding studies in the eastern Oregon pine region. Oreg. State Board 

 Forest. Bull. 6, 34 pp. 



1576) Radwan, M. A. 



1963. Protecting forest trees and their seed from wild mammals (a review of the lit- 

 erature). U.S. Forest Serv. Res. Pap. PNW-6, 28 pp. 



1577) Rand, Patricia J. 



1960. The plant communities of Grand Canyon National Park, Arizona, 1957-58. 

 Minn. Acad. Sci. Proc. 25/26: 88-90. 



1578) Randall, Charles E. 



1954. Our forest resources: what they are and what they mean to us. U.S. Dep. 



Agr., Agr. Inform. Bull. 131, 37 pp. 



1579) Randel, G. L. 



1959. Coniferous windbreak species and spacing tests at the Big Spring Field Station. 

 Tex. Agr. Exp. Sta. Misc. Pub. 360, 2 pp. 



1580) Randies, Quincy. 



1932. Fringes of the southwestern pine type. U.S. Forest Serv. Forest Worker 8: 8. 



1581) 



1933. Ponderosa pine makes rapid volume increase after cutting. U.S. Forest Serv. 



Forest Worker 9: 11. 



1582) Rapraeger, E. F. 



1932. Lumber content of sound western yellow pine logs . J. Forest. 30: 750-751. 



1583) 



1933. The influence of ponderosa pine log size and quality on over-run, lumber grades 



and conversion values . West Coast Lumberman 59(8): 12-14, 21; (10): 8-10; 

 60(5): 18-20. 



1584) Rawhngs, G. B. 



1951. The mycorrhizas of trees in New Zealand forests. N. Zeal. Forest. Res. Inst. 

 Forest Res. Notes 1(3): 15-17. 



1585) Read, Ralph A. 



1955. Grading of transplants may improve initial survival of ponderosa pine in Plains 



windbreaks. U.S. Forest Serv. Rocky Mountain Forest and Range Exp. Sta. 

 Res. Note 16, 2 pp. 



1586) 

 1587) 

 1588) 

 1589) 



1958. The Great Plains shelterbelt in 1954. Univ. Nebr. Coll. of Agr. Exp. Sta. Bull. 

 441, Great Plains Agr. Counc . Pub. 16, 125 pp. 



1961. Bibliography of Great Plains forestry. U.S. Forest Serv. Rocky Mountain For- 

 est and Range Exp. Sta., Sta. Pap. 58, 153 pp. 



1964. "Hybrid" pines, a matter of time, patience, research. Nebr. Agr. Exp. Sta. 

 Quart. 10(4): 10-12. 



1964. Tree windbreaks for the central Great Plains. U.S. Forest Serv. Agr. Handb. 

 250, 68 pp. 



98 



