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 * 
Requirements , 
Reproduction 
Effects of Fires 
Sources of Injury Other Than Fire 
Character of the Stands . . . . , 
Growth 
Page 
1 
5 
6 
9 
12 
17 
23 
Page 
Characteristics of the Wood 29 
Utilization of Yellow -Pine Forests ... 30 
Logging and Milling 32 
Planting 35 
Management of Western Yellow Pine 
Forests 36 
Appendix 43-48 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1917 
