(753) Hayes, R. S. 



1925. Some problems of timber sale administration in western yellow pine. Colo. 

 Forest. 31-37. 



(754) Hayes, W. D. 



1913. Effect of source of seed on results in yellow pine reforestation, Fremont Ex- 

 periment Station. U.S. Dep. Agr. Rev. Forest Serv. Invest. 2: 53-57. 



(755) 



1913. Methods and seasons for yellow pine reforestation, Fremont Experiment Station. 

 U.S. Dep. Agr. Rev. Forest Serv. Invest. 2: 58-60. 



(756) 



1913. Yellow pine habitat extension, Fremont Experiment Station. U.S. Dep. Agr. 

 Rev. Forest Serv. Invest. 2: 71-73. 



(757) Haygree, J. G., J. R. Goodman, and D. Newell. 



1964. Problems and possibilities of a tensioned wood panel. Forest Prod. J. 14: 398- 



402. 



(758) Heacox, Edwin F., and William H. Lawrence. 



1962. Industrial forestry and wildlife- -the Northwest. J. Forest. 60: 10-13. 



(759) Heald, F. D. 



1909. A species of Discosia on living bull pine seedlings. Mycologia 1: 215-217. 



(760) Hedgcock, George G. 



1915. Notes on some diseases of trees in our national forests. V. Phytopathology 5: 

 175-181. 



(761) andW. H. Long. 



1915. A disease of pines caused by Cronartium pyriforme. U.S. Dep. Agr. Bur. 

 Plant Ind. , 20 pp. 



(762) Heebink, T. B. 



1965. Suitability of seven West Coast species for pallets. U.S. Forest Serv. Res. 



Pap. FPL-22, 16 pp. 



(763) Heerwagon, Arnold. 



1955. The effect of grazing use upon ponderosa pine reproduction in the Rocky Moun- 

 tain area. Soc. Amer. Forest. Proc. 1954: 206-207. 



(764) Heidmann, L. J. 



1962. Longevity of ponderosa pine seed. Ecology 43: 344. 



(765) 

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1963. Heavy pruning reduces growth of southwestern ponderosa pine. U.S. Forest 

 Serv. Res. Note RM-3, 4 pp. 



1963. Effect of rock mulch and scalping on survival of planted ponderosa pine in the 

 Southwest. U.S. Forest Serv. Res. Note RM-10, 7 pp. 



1963. Deer repellents are effective on ponderosa pine in the Southwest. J. Forest. 

 61: 53-54. 



(768) and Walter Bierwagen. 



1961. Improved cone -drying rack. U.S. Forest Serv. Tree Planters' Notes 47: 13-14. 



48 



