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Figure 16.24--Average annual growth of growing stock on timberland by forest-type group and year, Southern United States.

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Growth by forest type group for the years 1989 and 1999 (billion cubic feet):

Forest type group	1989	1999
White-red-jack pine	0.042	0.047
Spruce-fir	0.001	0.001
Planted longleaf-slash	0.568	0.597
Natural longleaf-slash	0.363	0.294
Planted loblolly-shortleaf	0.879	1.768
Natural loblolly-shortleaf	2.283	2.118
Oak-pine	1.287	1.419
Oak-hickory	2.635	2.873
Oak-gum-cypress	1.203	1.258
Elm-ash-cottonwood	0.109	0.072
Maple-beech-birch	0.019	0.015
Nontyped	0.003	0.018