Table 6.22 — Roundwood supplies, net annual growth, and growing stock inventory in the 

 United States by section and softwoods and hardwoods, 1952, 1962, 1970 and 1976, 



with base level projections to 2030 



(Million cubic feet) 



Item 



1952 



1962 



1970 



1976 



Projections 



1990 



2000 



2010 



2020 



2030 



North:' 

 Softwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



596 



993 



27,629 



501 



1,234 



34,332 



549 



1,362 



39,661 



636 



1,600 



44,574 



820 



1,722 



56,996 



921 



1,660 



65,069 



993 



1,554 

 71,425 



1,050 



1,452 



76,111 



1,094 



1,374 



79,676 



Hardwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



1,381 



2,992 



83,645 



1,329 



3,507 



103,070 



1,464 



3,926 



116,201 



1,502 



4,192 



128,571 



2,024 



4,305 



161,994 



2,422 



3,963 



180,021 



2,805 



3,623 



191,074 



3,217 



3,386 



195,797 



3,510 



3,282 



197,201 



South: 

 Softwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



3,049 



3,625 



58,245 



2,709 



4,680 



71,553 



3,531 



5,605 



84,896 



4,234 



6,158 



97,136 



4,887 



6,720 



119,833 



5,392 



6,800 



134,699 



5,774 



6,732 



145,385 



6,053 



6,625 



152,465 



6,229 



6,488 



156,120 



Hardwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



1,935 



2,822 



78,238 



1,648 



3,133 



84,485, 



1,833 



3,971 



91,923 



1,692 



4,547 



104,873 



2,732 



4,724 



130,525 



3,466 



4,563 



142,820 



4,117 



4,362 



146,839 



4,773 



4,226 



144,123 



5,213 



4,120 



135,550 



Rocky Mountain:' 

 Softwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



496 



1,097 



87,457 



684 



1,253 



93,104 



814 



1,449 



94,413 



773 



1,589 



94,935 



906 



1,629 



101,425 



1,008 



1,607 



106,171 



1,076 



1,557 



109,903 



1,125 



1,493 



112,500 



1,143 



1,427 



114,324 



Hardwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



11 



57 



3,978 



14 



66 



4,502 



12 



84 



4,877 



4 



100 



4,879 



5 



98 



6,128 



5 



96 



6,519 



5 



94 



6,865 



6 



91 



7,147 



5 



87 



7,338 



Pacific Coast: 

 Softwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



3,395 



1,969 



251,614 



3,435 



2,377 



241,833 



3,807 



2,823 



230,820 



3,868 



2,938 



219,134 



3,757 



3,168 



190,267 



3,737 



3,402 



184,276 



3,763 



3,628 



181,837 



3,807 



3,813 



181,237 



3,868 



3,935 



182,132 



Hardwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



35 



357 



12,586 



61 



443 



14,904 



82 



539 



17,636 



97 



541 



16,866 



126 



305 



16,989 



134 



225 



17,518 



137 



175 



17,603 



136 



147 



17,440 



133 



129 



17,219 



Total, United States: 

 Softwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



7,536 



7,684 



424,946 



7,329 



9,543 



440,822 



8,701 



11,239 



449,790 



9,511 



12,285 



455,779 



10,369 



13,240 



468,521 



11,058 



13,470 



490,216 



11,607 



13,472 



508,550 



12,034 



13,382 



522,314 



12,334 



13,224 



532,252 



Hardwoods: 

 Roundwood supplies 

 Net annual growth 

 Inventory 



3,362 



6,229 



178,448 



3,052 



7,149 



206,961 



3,391 



8,519 



230,637 



3,295 



9,380 



255,189 



4,886 



9,431 



315,637 



6,027 



8,846 



346,879 



7,065 



8,253 



362,381 



8,132 



7,850 



364,507 



8,861 



7,618 



357,308 



' Data for the Great Plains States — Kansas, Nebraska, North Dakota, and 

 eastern South Dakota — included in the North. 



Note: Supply data for 1952, 1962. 1970 and 1976areestimatesof the trend levels 

 or harvests and differ somewhat from the estimates of actual consumption shovi^n 



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

 harvested given the assumptions of the study. 



I nventory data for 1 952 and 1 962 are as of December 31 . Data for 1 970, 1 977 and 

 the projection years as of January 1. 



239 



