1485) Pearson, G. A. 



1934. Grass, pine seedlings, and grazing. J. Forest. 32: 545-555. 



1486) 



1935. Slash disposal in ponderosa pine forests of the Southwest. U.S. Dep. Agr. 



Circ. 357, 29 pp. 



1487) 



1935. Timber stand improvement in the Southwest. J. Forest. 33: 128-132. 



1488) 



1936. Some observations on the reaction of pine seedlings to shade. Ecology 17: 



270-276. 



1489) 



1936. A thinning experiment applied to timber stand improvement. J. Forest. 34: 



855-861. 



1490) 



1937. Poisoning conifers in stand improvement and timber sale practice. J. Forest. 



35: 587-590. 



1491) 



1938. Lighter cuts and larger yields in ponderosa pine. J. Forest. 36: 779-789. 



1492) 



1938. An analysis of cutting practice in ponderosa pine. U.S. Forest Serv. South- 

 western Forest and Range Exp. Sta. Res. Note 24, 2 pp. 



1493) 



1938. Growth of virgin stands of ponderosa pine. U.S. Forest Serv. Southwestern 

 Forest and Range Exp. Sta. Res. Note 34, 2 pp. 



1494) 



1938. Increment and mortality of ponderosa pine in relation to diameter . U.S. For- 



est Serv. Southwestern Forest and Range Exp. Sta. Res. Note 39, 5 pp. 



1495) 



1939. Mortality in cutover stands of ponderosa pine. J. Forest. 37: 383-387. 



1496) 



1940. Timber stand improvement in the Southwest. Fed. Sec. Agency Civilian Con- 



serv. Corps Forest. Pub. 6, 11 pp. 



1497) 



1940. Reforestation in the Southwest by CCC camps. Fed. Sec. Admin. Civilian 

 Conserv. Corps Forest. Pub. 7, 14 pp. 



1498) 



1940. A second cutting of ponderosa pine. Timberman 41(3): 18-20. 



1499) 



1940. Growth and mortality of ponderosa pine in relation to size of trees and method 

 of cutting. J. Forest. 38: 323-327. 



1500) 



1940. Shade effects in ponderosa pine. J. Forest. 38: 778-780. 



1501) 



1942. Improvement selection cutting in ponderosa pine. J. Forest. 40: 753-766. 

 Discussion by R. C. Hawley, J. Forest. 40: 877. 



1502) 



1942. The Fort Valley Forest Experiment Station. U.S. Forest Serv. Southwestern 

 Forest and Range Exp. Sta. , 25 pp. 



1503) 



1942. Herbaceous vegetation a factor in natural regeneration of ponderosa pine in the 

 Southwest. Ecol. Monogr. 12: 315-338. 



93 



