| Net growth and removals of growing stock | ||||||||||
| Nonindustrial | Forest | National | Other | |||||||
| private | industry | forests | public | Total | ||||||
| Net | Re- | Net | Re- | Net | Re- | Net | Re- | Net | Re- | |
| Year | Growth | movals | Growth | movals | Growth | movals | Growth | movals | Growth | movals |
| billion cubic feet | ||||||||||
| 1952 | 8.1 | 6.9 | 2.6 | 3.3 | 2.1 | 1.1 | 1.2 | 0.6 | 13.9 | 11.9 |
| 1962 | 9.5 | 6.4 | 3.2 | 3.0 | 2.5 | 1.9 | 1.6 | 0.7 | 16.7 | 12.0 |
| 1976 | 12.6 | 6.8 | 4.2 | 4.2 | 3.1 | 2.1 | 2.0 | 1.1 | 21.9 | 14.2 |
| 1986 | 12.1 | 8.2 | 4.3 | 5.4 | 3.4 | 2.3 | 2.3 | 1.2 | 22.1 | 16.0 |
| 1991 | 12.1 | 8.0 | 4.3 | 5.3 | 3.3 | 2.0 | 1.9 | 1.0 | 21.6 | 16.3 |
| 1996 | 12.7 | 9.5 | 4.0 | 4.7 | 4.1 | 0.8 | 1.9 | 0.9 | 22.8 | 16.0 |
| Volume of growing stock | ||||||||||
| Nonindustrial | Forest | National | Other | |||||||
| private | industry | forests | public | Total | ||||||
| Soft- | Hard- | Soft- | Hard- | Soft- | Hard- | Soft- | Hard- | Soft- | Hard- | |
| Year | wood | wood | wood | wood | wood | wood | wood | wood | wood | wood |
| billion cubic feet | ||||||||||
| 1953 | 94.8 | 133.7 | 77.4 | 20.3 | 204.4 | 13.6 | 55.2 | 16.5 | 431.8 | 184.1 |
| 1963 | 104.3 | 152.5 | 76.1 | 25.4 | 213.7 | 17.2 | 55.7 | 20.7 | 449.8 | 215.8 |
| 1977 | 125.3 | 185.8 | 74.5 | 32.3 | 208.1 | 21.6 | 59.0 | 26.5 | 467.0 | 266.1 |
| 1986 | 136.6 | 220.8 | 72.8 | 35.3 | 186.3 | 25.1 | 57.3 | 31.4 | 452.9 | 312.6 |
| 1992 | 143.4 | 242.3 | 71.0 | 34.8 | 185.6 | 25.6 | 50.0 | 33.0 | 449.9 | 335.7 |
| 1997 | 144.2 | 251.9 | 66.4 | 33.5 | 222.3 | 29.8 | 51.1 | 36.7 | 484.1 | 351.9 |
Sources: Powell, D.S., J.L. Faulkner, D.R. Darr, Z. Zhu and D.W. MacCleery, Forest Statistics of the United States, 1992, General Technical Report RM-234 (U.S. Department of Agriculture, Forest Service, Washington, DC, 1993).
U.S. Department of Agriculture, Forest Service, 1997 RPA Assessment: The United States Forest Resource Current Situation (Draft) (USDA, FS, Washington, DC, October 1999).
Notes: 1987 data for National Forests in Oregon and Washington were underreported in several forest types and stand-size classes and may not be reliable for regional trend analysis. Native American lands are included exclusively in the Nonindustrial Private owner group for 1997; for earlier years, these lands may be included in the Other Public owner group. Totals may not agree with sum of components due to independent rounding.
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