| State: Flathead National Forest SA-20 | Reserved | Nonreserved | Combined |
| Date: 11-22-99 | STE, TST, TM1, TM2 | STE, TST, TM1, TM2 | STE, TST, TM1, TM2 |
| Area: | |||
| Timberland | 889,170 | 1,215,048 | 2,104,218 |
| Woodland | 0 | 0 | 0 |
| Forest land | 889,170 | 1,215,048 | 2,104,218 |
| Nonforest with trees | 68,871 | 52,076 | 120,947 |
| Nonforest without trees | 105,728 | 8,329 | 114,057 |
| Noncensus water | 6,624 | 6,104 | 12,728 |
| Total | 1,070,393 | 1,281,557 | 2,351,950 |
| Volume: | |||
| Timberland - Growing stock | 1,744,435,957 | 2,434,326,720 | 4,178,762,677 |
| Timberland - International 1/4-inch | 6,926,724,205 | 9,655,845,316 | 16,582,569,521 |
| Timberland - Scribner | 5,863,228,965 | 8,072,368,004 | 13,935,596,969 |
| Timberland - Gross - Growing stock - Cubic | 1,847,048,439 | 2,573,440,476 | 4,420,488,915 |
| Timberland - Gross sawtimber - Int. 1/4-inch | 7,930,646,271 | 11,045,551,929 | 18,976,198,200 |
| Timberland - Gross sawtimber - Scribner | 6,749,111,132 | 9,291,400,214 | 16,040,511,346 |
| Timberland - Woodland (on timberland) | 0 | 3,470,758 | 3,470,758 |
| Woodland - Net | 0 | 0 | 0 |
| Woodland - Gross volume | 0 | 0 | 0 |
| Woodland - Dead volume | 0 | 0 | 0 |
| Forest land - Cubic - G.S. and wdld trees | 1,744,435,957 | 2,437,797,479 | 4,182,233,436 |
| Forest land - Cubic - Live trees includes cull | 1,788,692,352 | 2,508,343,524 | 4,297,035,876 |
| Forest land - Gross volume | 2,002,479,937 | 2,825,275,984 | 4,827,755,921 |
| Growth: | |||
| Timberland - Growing stock | 37,018,212 | 34,319,798 | 71,338,010 |
| Timberland - International 1/4-inch | 143,401,251 | 194,557,593 | 337,958,844 |
| Timberland - Scribner | 113,905,204 | 153,696,968 | 267,602,172 |
| Timberland - Gross - Cubic | 47,107,885 | 60,144,272 | 107,252,157 |
| Timberland - Gross - International 1/4-inch | 181,442,181 | 292,496,536 | 473,938,717 |
| Timberland - Gross - Scribner | 145,634,887 | 236,765,840 | 382,400,727 |
| Woodland | 0 | 0 | 0 |
| Forest land | 37,460,776 | 35,089,590 | 72,550,366 |
| Mortality: | |||
| Timberland - Growing stock | 10,089,673 | 25,824,474 | 35,914,147 |
| Timberland - International 1/4-inch | 38,040,930 | 97,938,943 | 135,979,873 |
| Timberland - Scribner | 31,729,683 | 83,068,872 | 114,798,555 |
| Woodland | 0 | 0 | 0 |
| Forest land | 10,089,673 | 25,824,474 | 35,914,147 |
| Number of trees: | |||
| # live trees on forest land | 498,767,942 | 650,047,284 | 1,148,815,226 |
| # live trees on timberland | 498,767,942 | 650,047,284 | 1,148,815,226 |
| # GS trees on timberland | 450,613,893 | 561,286,573 | 1,011,900,466 |
| # live trees on woodland | |||
| # salv. 5"+ on timberland (TM1 T007) | 10,535,837 | 27,032,618 | 37,568,455 |
| Number of plots: | 375 | ||