11014) Kurtenacker, R. S., T. C. Scheffer, and J. O. Blew. 



1956. Condition of preservative treated field boxes after 5 years of outdoor exposure. 

 U.S. Forest Serv. Forest Prod. Lab. Rep. 2054, 15 pp. 



1015) Kurth, E. F., and J. K. Hubbard. 



1951. Extractives from ponderosa pine bark. Ind. Chem. (England) 43: 896-900. 



[1016) , J. K. Hubbard, and Jane D. Humphrey. 

 1949. Chemical composition of ponderosa and sugar pine barks. Forest Prod. Res. 



Soc. Proc. 3: 276-282. Also in Paper Trade J. 130(17), 1950. 



[1017) , V. Ramanathan, and K. Kataraman. 



1955. The colouring matters of ponderosa pine. Curr. Sci. (India) 24: 157. 



[1018) , V. Ramanathan, and K. Venkataramen. 



1956. The colouring matter of ponderosa pine bark. J. Sci. (India) Res. 15B: 139-146. 



[1019) Kverno, Nelson B. 

 1964. Forest animal damage control. Second Vertebrate Pest Contr. Conf. , pp. 81-89. 



Univ. Calif., Berkeley. 



[1020) Lachmund, H. G. 

 1921. Some phases in the formation of fire scars. J. Forest. 19: 638-640. 



[10211 



1923. Relative susceptibility of incense cedar and yellow pine to bole injury in forest 

 fires. J. Forest. 21: 815-817. 



;i022) Laing, H. M. 



1928. The harvest from the yellow pines. Can. Forest & Outdoors 24: 557-558. 



;i023) Landgraf, A. E. 



1959. Forest insect conditions in the central Rocky Mountains- - 1958. U.S. Forest 

 Serv. Rocky Mountain Forest and Range Exp. Sta. , Sta. Pap. 40, 19 pp. 



andH. E. Ostmark. 



1958. Forest insect conditions in the central Rocky Mountains, 1957. U.S. Forest 

 Serv. Rocky Mountain Forest and Range Exp. Sta., Sta. Pap. 34, 20 pp. 



;i025) Landt, E. F. 



1961. Forest industries of the Black Hills area, South Dakota and Wyoming. U.S. For- 

 est Serv. Rocky Mountain Forest and Range Exp. Sta. , Sta. Pap. 60, 14 pp. 



[1026) 



1964. Knife action and storage loosen bark on ponderosa pine pulp chips. U.S. Forest 

 Serv. Res. Note RM-28, 4 pp. 



[1027) and R. O. Woodfin, Jr. 



1959. Pulpwood characteristics of Black Hills ponderosa pine. TAPPI 42: 809-812. 



[1028) andR. O. Woodfin, Jr. 



1959. Amount and grades of lumber from Black Hills ponderosa pine logs. U.S. For- 

 est Serv. Rocky Mountain Forest and Range Exp. Sta., Sta. Pap. 42, 24 pp. 



[1029) and R. O. Woodfin, Jr. 



1964. Sawmill and logging residues from ponderosa pine in the Black Hills. U.S. For- 

 est Serv. Res. Note RM-23, 8 pp. 



[1030) Langley, Philip G. 



1959. Aerial photography as an aid in insect control in western pine and mixed conifer 

 forests. J. Forest. 57: 169-172. 



64 



