APPENDIX I. FOREST STATISTICS, 19 70 



253 



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 1 



[Million board feet, International Ji'-inch log rule] 



SOFTWOOD SAWTIMBER 



Timber supply region 



Year 



Total 



Diameter class (inches) 



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+ 





1970 

 1962 

 1952 



49, 846 

 44,757 

 40, 584 



15,809 

 13, 419 

 10, 676 



11, 799 

 10, 303 

 9,154 



8,107 

 7,399 

 6,897 



5,532 

 5,102 

 4,856 



3,356 

 3,155 

 3,036 



2,131 

 2,160 

 2,352 



2,763 

 2,835 

 3,204 



346 





383 

 409 





1970 

 1962 

 1952 



30, 215 

 24, 445 

 18, 355 



8,656 

 7,178 

 5,376 



6,373 



5,254 

 4,127 



4,636 

 3,698 

 2,829 



3,521 

 2,758 

 1,804 



2,469 

 1,920 

 1,343 



1,742 



1,306 



977 



2,453 

 2,023 

 1,686 



362 





305 

 210 



Total, North _ 



1970 

 1962 

 1952 



80, 061 

 69, 202 

 58, 939 



24, 465 

 20, 597 

 16, 052 



18, 172 

 15,557 

 13, 281 



12, 744 

 11, 097 

 9,726 



9,053 

 7,860 

 6,660 



5,826 

 5,075 

 4,379 



3,873 

 3,467 

 3,329 



5,217 

 4,858 

 4,890 



708 

 688 

 619 





1970 

 1962 

 1952 



114, 712 

 101,042 

 92, 326 



27, 112 

 24,844 

 23, 335 



28, 622 

 26, 169 

 24, 488 



22, 997 

 19, 994 

 17, 726 



15,447 

 13, 012 

 11,218 



9,474 

 7,776 

 6,583 



5,068 

 4,169 

 3,634 



5,298 

 4,486 

 4,717 



691 





591 

 624 





1970 

 1962 

 1952 



161, 163 

 129, 355 

 93, 245 



26, 976 

 22,911 

 17, 997 



33, 932 

 27, 903 

 21, 140 



32, 692 

 25, 607 

 18, 585 



25, 981 

 20, 819 

 14, 443 



17, 334 

 13, 959 

 9,563 



11,309 

 8,592 

 5,278 



11,828 

 8,772 

 5,498 



1,108 





789 

 738 



Total, South 



1970 

 19C2 

 1952 



275, 875 

 230, 397 

 185, 571 



54, 088 

 47, 755 

 41, 332 



62, 554 

 54, 072 

 45, 628 



55, 690 

 45, 601 

 36,311 



41,429 

 33, 831 

 25, 661 



26, 808 

 21, 735 

 16, 146 



16, 378 



12, 761 



8,912 



17, 127 

 13, 259 

 10,216 



1,799 

 1,380 

 1,362 



PNW Douglas-fir- - 



1970 

 1962 

 1952 



562, 341 

 607, 707 

 658, 954 





 

 



24, 156 

 22, 676 

 20, 913 



29, 193 

 27, 391 

 23,500 



32, 652 

 31,320 

 29, 816 



34, 052 

 32, 981 

 30, 407 



33, 825 

 33, 822 

 33, 279 



127, 948 

 131, 732 

 134, 996 



280, 515 

 327, 785 

 386, 043 



PNW ponderosa pine _.. 



1970 

 1962 

 1952 



182, 132 

 188,019 

 191, 159 





 

 



16, 729 

 14,800 

 12,312 



17,116 

 15, 373 

 12,970 



17, 178 

 15, 897 

 14, 195 



16,832 

 16, 088 

 14,565 



15, 494 

 15,047 

 14,310 



52, 235 

 51,156 

 53,900 



46, 548 

 59, 658 

 68, 907 





1970 

 1962 

 1952 



178, 101 

 182, 224 

 183,928 









 



5,657 

 9,657 

 9,748 



8,227 

 10, 386 

 10, 483 



10, 326 

 10, 751 

 10, 851 



12, 488 

 10, 386 

 10,483 



12, 875 

 18,404 

 18, 576 



52, 225 

 43, 369 

 43, 775 



76, 301 





79, 267 

 80,009 



California and Hawaii 



1970 

 1962 

 1952 



271, 671 

 296, 633 

 331, 161 





 

 



6,409 

 5,828 

 5,105 



9,363 

 8,660 

 7,795 



11,063 

 10, 359 

 9,423 



11,706 

 11, 149 

 10, 416 



12, 733 

 12, 328 

 11,750 



57, 715 



58, 784 



59, 674 



162, 679 

 189, 521 

 226, 994 



Total, Pacific Coast . . 



1970 

 1962 

 1952 



1, 194, 245 

 1, 274, 583 

 1, 365, 202 





 

 



52, 951 

 52, 962 

 48, 079 



63,900 

 61,811 

 54, 749 



71,219 

 68, 327 

 64,286 



75, 079 

 70, 605 

 65, 872 



74, 928 

 79, 601 

 77,916 



290, 123 

 285,041 

 292, 345 



566,044 

 656, 232 

 761, 953 





Northern Rocky Mountain 2 



1970 

 1962 

 1952 



251, 387 

 267, 307 

 256, 570 



39, 607 

 37, 420 

 32, 297 



36, 753 

 36, 692 

 32, 256 



32, 550 

 34,885 

 31,341 



28, 140 

 31, 480 

 28, 737 



23, 561 

 27, 075 

 25, 354 



19, 485 

 22, 745 

 21, 671 



48, 481 

 55, 381 

 55,704 



22, 805 

 21, 629 

 29, 210 





1970 

 1962 

 1952 



103, 719 

 114, 037 

 112, 603 



12, 521 

 13, 245 

 11,361 



12, 157 

 12, 056 

 10, 602 



12,555 

 13, 141 

 11,918 



12, 794 

 13,635 

 12, 708 



11,807 

 12, 681 

 12, 161 



9,974 

 11, 228 

 11, 142 



24,541 



28, 075 



29, 757 



7 366 





9,976 

 12, 954 



Total, Rocky Mountain 



1970 

 1962 

 1952 



355, 106 

 381,344 

 369, 173 



52,129 

 50, 665 

 43, 658 



48, 911 

 48, 748 

 42,858 



45, 106 

 48, 026 

 43, 259 



40, 934 

 45,115 



41, 445 



35, 369 

 39, 756 

 37,515 



29, 460 

 33, 973 

 32, 813 



73, 023 

 83, 456 

 85, 461 



30, 172 

 31, 605 



42,164 



Total, softwoods 



1970 

 1962 

 1952 



1, 905, 289 

 1, 955, 527 

 1, 978, 886 



130, 682 

 119,017 

 101, 042 



182, 589 

 171,341 

 149, 847 



177, 440 

 166, 536 

 144, 046 



162, 636 

 155, 134 

 138, 053 



143,083 

 137, 172 

 123, 913 



124,640 

 129, 803 

 122, 970 



385, 490 

 386, 615 

 392, 913 



598, 725 

 689, 906 

 806, 099 





HARDWOOD SAWTIMBER 



Northeast 



1970 

 1962 

 1952 



110,305 

 98,004 

 84,022 





 

 



29, 194 

 24,972 

 19, 480 



25,236 

 21,905 

 17, 700 



18, 892 

 16, 686 

 14,443 



13,415 

 12, 120 

 10,744 



8,605 

 7,980 

 7,390 



12,841 

 12,400 

 12,404 



2,118 





1,941 

 1,861 



Northcentral . 



1970 

 1962 

 1952 



141, 501 

 123,480 

 103, 342 





 

 



37, 262 

 31, 899 

 24,059 



31,486 

 26,880 

 21,559 



24,184 

 20, 678 

 16,983 



16, 855 

 14, 613 

 12, 776 



10,636 

 9,541 

 8,808 



17, 773 

 16, 739 

 16, 101 



3,303 

 3,127 

 3,053 





Total, North 



1970 

 1962 

 1952 



251, 806 

 221, 484 

 187, 364 





 

 



66, 456 

 56, 871 

 43, 539 



56, 723 

 48,785 

 39, 259 



43, 076 

 37,364 

 31,426 



30, 271 

 26, 733 

 23, 520 



19,242 

 17, 521 

 16, 198 



30, 614 

 29, 139 

 28, 505 



5,421 





5,068 

 4,914 



See footnotes at end of table. 



