UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN 418 



Contribution from the Forest Service 

 HENRY S. GRAVES, Forester 



Washington, D. C. 



PROFESSIONAL PAPER 



February 6, 1917 



WESTERN YELLOW PINE 

 IN OREGON 



By 



THORNTON T. MUNGER, Forest Examiner 



CONTENTS 



Introduction 1 



Requirements 5 



Reproduction 6 



Effects of Fires 9 



Sourcesoflnjury Other Than Fire . . 12 



Cliaracter of the Stands 17 



Growth 23 



Page 



Characteristicsof the Wood 29 



Utilization of Yellow.Pine Forests . . .' 30 



Logi^ng and Milling 32 



Planting 35 



Management of Western Yellow Pine 



Forests 36 



Appendix 43-4S 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1917 



