254 



THE OUTLOOK FOR TIMBER IN THE UNITED STATES 



Table 12. 



-Net volume of sawtimber on commercial timberland in the United States, by diameter class, softwoods and hardwoods, 

 and timber supply region, as of December 31, 1952 and 1962, and January 1, 1970 ' — Continued 



[Million board feet, International M-ineh log rule] 

 HARDWOOD SAWTIMBER— Continued 





Year 



Total 



Diameter class (inches) 



Timber supply region 



9.0 to 11.0 



11.0 to 13.0 



13.0 to 15.0 



15.0 to 17.0 



17.0 to 19.0 



19.0 to 21.0 



21.0 to 29.0 



29.0+ 



Southeast 



1970 

 1962 

 1952 



102, 303 

 96,843 

 92, 879 





 

 



21,417 

 19, 934 

 18,168 



22,236 

 21,172 

 19,943 



18, 414 

 17, 262 

 15, 957 



14,024 

 13, 215 



12,784 



9,295 

 8,932 

 8,809 



13,808 

 13,588 

 14,335 



3,106 





2,739 

 2,882 



Southcentral 



1970 

 1962 

 1952 



105, 671 

 107, 687 

 112,617 





 

 



24,409 

 24,127 

 23,531 



24, 211 

 24, 169 

 24,214 



19, 433 

 19, 074 

 20,063 



13, 013 



13, 771 

 15, 078 



8,974 

 9,686 

 10,353 



13,392 

 14, 518 

 16,540 



2,236 





2,339 

 2,834 



Total, South 



1970 

 1962 

 1952 



207, 974 

 204, 530 

 205, 496 





 







45, 827 

 44,061 

 41, 699 



46,447 

 45,341 

 44,157 



37,848 

 36, 336 

 36, 020 



27,037 

 26, 986 

 27, 862 



18, 270 

 18, 618 

 19, 162 



27,200 

 28, 107 

 30, 876 



5,343 





5,078 

 5,717 



PNW Douglas-fir 



1970 

 1962 

 1952 



37, 873 

 31,037 

 23,318 





 

 



6,414 

 5,490 

 4,317 



6,419 

 5,469 

 4,171 



5,574 

 4,477 

 3,112 



4,750 

 3,823 

 2,881 



3,636 

 2,923 

 2,141 



8,222 

 6,274 

 4,645 



2,858 





2,581 

 2,051 



PNW ponderosa pine 



1970 

 1962 

 1952 



512 

 446 

 424 





 

 



122 

 107 

 101 



41 

 36 

 36 



17 

 16 



15 



51 

 44 

 43 



46 

 38 

 37 



192 

 163 

 152 



43 





42 

 40 



Alaska 



1970 

 1962 

 1952 



1,273 

 1,279 

 1,268 





 

 



164 

 165 

 163 



171 

 172 

 171 



164 

 165 

 163 



173 

 174 



172 



156 

 157 

 156 



305 

 307 

 304 



137 





138 

 137 



California and Hawaii 



1970 

 1962 

 1952 



6, 735 



6,447 

 6,297 





 

 



627 

 575 

 533 



795 

 739 

 679 



766 

 709 

 660 



765 

 719 

 667 



706 

 640 

 606 



1,765 

 1,677 

 1,608 



1,310 

 1,386 

 1,542 



Total, Pacific Coast 



1970 

 1962 

 1952 



46,394 

 39,209 

 31,307 





 

 



7,327 

 6,337 

 5,114 



7,427 

 6,417 

 5,057 



6,521 

 5,367 

 3,950 



5,739 

 4,760 

 3,763 



4,544 

 3,759 

 2,940 



10,484 

 8,421 

 6,709 



4,349 





4,147 

 3,770 



Northern Rocky Mountain 2 



1970 

 1962 

 1952 



2,105 

 2,095 

 2,003 





 

 



485 

 473 

 415 



411 

 381 

 343 



295 

 283 

 255 



209 

 215 

 204 



169 

 162 

 154 



458 

 478 

 475 



75 





103 

 157 



Southern Rocky Mountain 2 



1970 

 1962 

 1952 



7,196 

 7,485 

 6,901 





 

 



2,787 

 2,882 

 2,563 



1,924 

 1,964 

 1,804 



1,163 

 1,207 

 1,129 



703 

 713 

 683 



335 

 403 

 399 



281 

 315 

 322 









1 

 1 



Total, Rocky Mountain 



1970 

 1962 

 1952 



9,301 

 9,580 

 8,904 





 

 



3,272 

 3,355 



2,978 



2,336 

 2,345 

 2,147 



1,459 

 1,490 

 1,384 



912 

 928 

 887 



505 

 565 

 553 



740 

 793 

 797 



76 

 104 

 158 



Total, hardwoods 



1970 

 1962 

 1952 



515, 477 

 474, 804 

 433, 072 





 

 



122,883 

 110, 624 

 93, 331 



112, 934 

 102,889 

 90, 621 



88,905 

 80, 558 

 72, 782 



63,961 

 59,407 

 56,034 



42,561 

 40,464 

 38,854 



69,040 

 66,460 

 66,888 



15, 190 





14,399 

 14, 560 



1 Data may not add to totals because of truncating. Zeros indicate no data 

 or negligible amounts. 



2 See footnote 2, table 3. 



Table 13. — Net volume of growing stock on commercial timberland in the East by species, diameter class, and timber supply 



region, January 1, 1970 l 

 [Million cubic feet] 





Total 



all 

 species 













Softwoods 













Timber supply region and 

 diameter class (inches) 



Total 

 soft- 

 woods 



Longleaf 

 and 

 slash 

 pines 



Shortleaf 



and 



loblolly 



pines 



Other 

 yellow 

 pines 



Eastern 

 white 



and red 

 pines 



Jack 

 pine 



Spruce 

 and 



balsam 

 fir 



Eastern 

 hemlock 



Cypress 



Other 

 eastern 

 soft- 

 woods 



Pon- 

 derosa 



and 

 Jeffrey 



pine 



Northeast: 



5.0 to 7.0 



16, 873 



17,728 



15, 602 



11, 932 



8,847 



6,117 



3,998 



2,456 



3,457 



530 



6,936 



6,559 



4,720 



3,235 



2,111 



1,361 



793 



480 



611 



74 





 

 





 

 

 

 

 

 



62 



109 



127 



102 



64 



48 



23 



10 



14 







199 



268 



235 



193 



97 



69 



16 



4 



6 







842 

 976 

 837 

 732 

 686 

 480 

 303 

 258 

 395 

 64 





 

 





 

 

 

 

 

 



4,573 



3,859 



2,431 



1,334 



671 



344 



176 



75 



49 







854 

 856 

 755 

 643 

 476 

 357 

 244 

 122 

 133 

 7 





 

 

 

 

 

 

 

 

 



403 



489 



333 



229 



114 



61 



29 



10 



11 



2 







7.0 to 9.0 







9.0 to 11.0- _ 







11.0 to 13.0 _ 







13.0 to 15.0 







15.0 to 17.0 







17.0tol9.0 







19.0 to 21.0 







21.0 to 29.0 - 







29.0+ 











Total.. 



87,544 



26,884 







562 



1,092 



5,576 







13.517 



4,451 







1,684 







See footnote at end of table. 



