Table 6.24 — Roundwood supplies, net annual growth, and growing stock inventory 



in the United States by ownership and softwoods and hardwoods, 



1952, 1962, 1970 and 1976, with base level projections to 2030 



(Million cubic feet) 















Projections 







Item 



1952 



1962 



1970 



1976 

































1990 



2000 



2010 



2020 



2030 



National Forests: 





















Softwoods: 





















Roundwood supplies 



963 



1,641 



1,923 



1,886 



2,157 



2,392 



2,553 



2,681 



2.765 



Net annual growth 



1,663 



1,999 



2,361 



2,465 



2,710 



2,871 



2,986 



3,057 



3,073 



Inventory 



204,350 



213,604 



211,705 



207,698 



189,985 



192,619 



195,889 



198,802 



201.445 



Hardwoods: 





















Roundwood supplies 



100 



97 



123 



101 



132 



163 



194 



221 



246 



Net annual growth 



396 



508 



569 



651 



631 



560 



484 



433 



397 



Inventory 



13,252 



16,751 



18,575 



20,751 



27,151 



31,350 



34,470 



36,676 



38,137 



Other public: 





















Softwoods: 





















Roundwood supplies 



416 



562 



706 



805 



908 



948 



991 



1,026 



1,060 



Net annual growth 



678 



892 



1,025 



1,077 



1,160 



1,206 



1,228 



1,236 



1,239 



Inventory 



49,918 



49,533 



50,421 



50,946 



54,315 



56,721 



59,212 



61,609 



63,885 



Hardwoods: 





















Roundwood supplies 



122 



115 



156 



177 



232 



271 



307 



339 



367 



Net annual growth 



543 



684 



796 



879 



726 



589 



496 



444 



413 



Inventory 



14,645 



18,805 



21,930 



24,557 



29,978 



33,904 



36,331 



37,866 



38,783 



Forest industry: 





















Softwoods: 





















Roundwood supplies 



2,796 



2,289 



2,896 



3,417 



3,208 



3,167 



3,181 



3,218 



3,262 



Net annual growth 



1,872 



2,326 



2,611 



2,866 



3,084 



3,200 



3,249 



3,267 



3,270 



Inventory 



77,280 



75,895 



74,887 



74,382 



72,119 



74,079 



76,359 



78,430 



80,027 



Hardwoods: 





















Roundwood supplies 



421 



434 



488 



473 



770 



974 



1,148 



1,331 



1,458 



Net annual growth 



688 



830 



1,058 



1,207 



1,254 



1,237 



1,204 



1,187 



1,176 



Inventory 



20,025 



24,770 



28,494 



31,884 



40,660 



44,999 



46,829 



46,918 



45,483 



Farmer and other 





















private: 





















Softwoods: 





















Roundwood supplies 



3,361 



2,836 



3,177 



3,403 



4,097 



4,551 



4,883 



5,109 



5,247 



Net annual growth 



3,470 



4,326 



5,243 



5,877 



6,285 



6,193 



6,010 



5,822 



5,642 



Inventory 



93,398 



101,790 



112,777 



122,753 



152,103 



166,797 



177,091 



183,473 



186,895 



Hardwoods: 





















Roundwood supplies 



2,718 



2,405 



2,624 



2,543 



3,752 



4,618 



5,416 



6,240 



6.789 



Net annual growth 



4,602 



5,128 



6,096 



6,643 



6,820 



6,460 



6,070 



5,786 



5.631 



Inventory 



130,526 



146,635 



161,638 



177,997 



217,848 



236,626 



244,750 



243,047 



234,905 



Total, United States 





















Softwoods: 





















Roundwood supplies 



7,536 



7,328 



8,702 



9,512 



10,369 



11,058 



11,607 



12,034 



12,334 



Net annual growth 



7,684 



9,543 



11,239 



12,285 



13,240 



13,470 



13,472 



13.382 



13,224 



Inventory 



424,946 



440,822 



449.790 



455,779 



468,521 



490,216 



508,550 



522,314 



532,252 



Hardwoods: 





















Roundwood supplies 



3,362 



3,052 



3,391 



3,295 



4,886 



6.027 



7,065 



8,132 



8,861 



Net annual growth 



6,229 



7,149 



8,519 



9,380 



9,431 



8,846 



8,253 



7,850 



7,618 



Inventory 



178,448 



206,961 



230,637 



255,189 



315,637 



346,879 



362.381 



364,507 



357,308 



Note: Supply data for 1 952, 1 962, 1 970 and 1 976 are esti mates of the trend levels 

 of fiarvests and differ somewtiat from tfie estimates of actual consumption shown 

 in some tables. For the projection years, the data show the volume that would be 

 harvested given the assumptions of the study. 



Inventory data for 1952 and 1962 are as of December 31 . Data for 1970, 1977 and 

 the projection years as of January 1 



243 



