17 Disintegration of girdled western hemlock and grand fir, 



by Austin E. Helmers. December 1948. 



18 Suggested Montana Douglas-fir Christmas tree standards , 



by S. Blair Hutchison and Ben M. Huey. January 1949- 



19 The possibilities of modifying lightning storms in the 



Northern Rockies, by Vincent J. Schaefer. January 1949 



■20 Forest resources of southern Montana, by W. C. Hodge, 



C. W. Brown and T. L. Finch. May 1949. 



21 Forest resources of Northeast V/ashington, by Paul D. 



Kemp and H. J. Pissot. May 1949. 



22 Bibliography of ponderosa pine, by A. L. Roe and K. N. 



Boe. March 1950. 



23 Forest resources of south central Montana, by T. L. 



Finch, W. C. Hodge, and M. E. Met calf . April 1950. 



24 The cubic foot as a national log-scaling standard, by 



E. F. Rapraeger. June 1950. 



Agriculture —Missoula 



