26 



THE OUTLOOK FOR TIMBER IN THE UNITED STATES 



Table 16. — Net annual growth and removals of growing stock, by species group and section J 



[Billion cubic feet] 



Section 



All species 



1952 1962 1970 



Softwoods 



1952 



1962 



1970 



Hardwoods 



1952 



1962 



1970 



North: 



Net growth 



Removals 



Ratio of growth to removals 



South: 



Net growth 



Removals 



Ratio of growth to removals 



Rocky Mountains: 



Net growth 



Removals 



Ratio of growth to removals 



Pacific Coast: 



Net growth 



Removals 



Ratio of growth to removals 



Total, United States: 



Net growth 



Removals 



Ratio of growth to removals 



4. 1 

 2. 1 



2. 



6.3 

 5.7 



1. 1 



1.2 

 . 5 



2. 2 



2.3 

 3.5 



.7 



13. 9 



11.8 

 1.2 



4.9 

 2. 1 

 2. 4 



7.5 

 5.4 

 1. 4 



1. 3 



. 7 

 1.8 



2. 7 



3. 6 



16. 4 



11. 8 



1.4 



5.5 

 2.4 

 2.3 



8.6 

 6.5 

 1. 3 



1. 4 



. 9 

 1.5 



3. 1 



4. 2 



.7 



18.6 



14. 



1.3 



1. 1 



. 6 



1.7 



3.6 

 3. 1 

 1. 2 



1. 1 

 .5 



2. 1 



2. 



3.5 



. 6 



7.8 

 7.8 

 1. 



1. 2 

 . 6 



2. 2 



4.5 

 2.8 

 1. 6 



1. 2 



. 7 



1. 7 



2. 3 

 3.5 



.7 



9.3 

 7.6 

 1. 2 



1.4 



. 6 



2. 2 



5.4 

 4. 

 1.4 



1. 3 



. 9 



1. 4 



2. 6 

 4. 1 



.6 



10. 7 

 9.6 

 1. 1 



3.0 

 1.5 

 2. 1 



2.7 

 2.6 

 1. 1 



. 1 



( 2 ) 

 21. 9 



. 3 



( 2 ) 

 6.7 



6. 1 

 4. 1 

 1.5 



3. 6 

 1.5 

 2. 4 



3.0 

 2. 6 

 1. 1 



. 1 



( 2 ) 

 18.9 



. 4 



. 1 



4.9 



7. 1 



4. 2 

 1. 7 



4. 2 

 1.8 

 2.3 



3.2 

 2.5 

 1. 3 



. 1 



( 2 ) 

 26. 2 



.5 



. 1 



4. 1 



7.9 

 4.4 

 1.8 



1 Data may not add to totals because of rounding. 



2 Less than 0.1 billion. 



Note: Data for 1952 and 1962 differ from data published 

 in earlier reports because of adjustments based on newer 

 information from remeasured Forest Survey plots. Data 

 for all years are "trend level" estimates. 



Table 17. — Net annual growth and removals of sawtimber, by species group and section 1 



[Billion board feet] 



Section 



All species 



1952 



1962 



1970 



Softwoods 



1952 1962 1970 



Hardwoods 



1952 1962 



1970 



North: 



Net growth 



Removals 



Ratios of growth to removals 



South: 



Net growth 



Removals 



Ratio of growth to removals- 



Rocky Mountains: 



Net growth 



Removals 



Ratio of growth to removals _ 



Pacific Coast: 



Net growth 



Removals 



Ratio of growth to removals - 



Total, United States: 



Net growth 



Removals 



Ratio of growth to removals. 



9.4 

 6.7 

 1. 4 



21.2 



20.2 



1. 1 



4. 3 

 3.2 

 1. 3 



10. 3 



22. 4 



. 5 



45. 1 



52. 5 



. 9 



11. 5 

 6.5 

 1.8 



24. 3 



17. 2 



1. 4 



4.6 

 4. 3 



1. 1 



11. 9 



22. 3 

 . 5 



52.3 



50.3 



1.0 



13.7 

 9.0 

 1. 5 



28. 



22. 8 



1. 2 



5. 1 



5.4 



. 9 



13. 1 

 25. 6 



. 5 



59.9 



62. 8 



1.0 



2.4 

 1.9 

 1.3 



13. 6 



11.9 



1. 1 



4.2 

 3.2 

 1.3 



9. 4 

 22. 3 



. 4 



29.5 

 39.2 



2. 8 

 1. 5 

 1. 9 



16.7 

 9.8 

 1.7 



4. 5 

 4.3 

 1. 1 



10.7 



22. 1 



. 5 



34. 7 



37. 7 



. 9 



3.6 

 2. 1 

 1.7 



20. 1 



15. 



1. 3 



4.9 



5.4 



.9 



11. 6 

 25. 2 



.5 



40. 3 

 47. 7 



7.0 

 4.8 

 1.4 



7.6 



8.3 



. 9 



. 1 



( 2 ) 

 6.3 



. 9 



. 1 



6.2 



15. 6 



13. 3 



1.2 



8.6 

 5.0 

 1.7 



7.6 

 7.3 

 1.0 



. 1 



( 2 ) 

 5.4 



1.2 



. 2 



5. 



17. 6 



12. 6 



1. 4 



10. 1 

 6.8 

 1.5 



7.9 

 7. 8 

 1. 



. 1 



( 2 ) 

 11.7 



1.5 



. 4 



4.0 



19. 7 



15. 



1. 3 



1 Data may not add to totals because of rounding. 



2 Less than 0.1 billion. 



Note: Data for 1952 and 1962 differ from data published 

 in earlier reports because of adjustments based on newer 

 information from remeasured Forest Survey plots. Data 

 for all years are "trend level" estimates. 



