| Mason | | | | | |
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| Land Use Classification | Thousand Acres | | Timberland Forest Type | Thousand Acres | |
| Total land & water | 794.9 | | Jack pine | 8.8 | |
| Other forest land | 2.8 | | Red pine | 23.0 | |
| Reserved Timberland | 12.9 | | White pine | 0.6 | |
| Nonforest land | 142.3 | | Balsam - Poplar | 0.0 | |
| Timberland | 157.0 | | Paper Birch | 0.0 | |
| Water | 479.9 | | Aspen | 24.2 | |
| | | Maple - Birch | 23.6 | |
| Timberland Ownership | Thousand Acres | | Elm - Ash - Soft Maple | 22.8 | |
| Total Timberland | 157.0 | | Oak - Hickory | 54.0 | |
| Forest Industry | 5.6 | | Tamarack | 0.0 | |
| Private Individual | 82.6 | | N. White Cedar | 0.0 | |
| State | 7.0 | | Black Spruce | 0.0 | |
| County and Municipal | 3.4 | | White Spruce | 0.0 | |
| National Forest | 47.8 | | Balsam fir | 0.0 | |
| Miscellaneous Federal Owners | 0.0 | | | | |
| Private - Corporation | 7.8 | | | | |
| Farmers | 2.8 | | | | |
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| Growing Stock Volume | Thousand Cubic Ft | | Sawtimber Volume | Thousand Board Ft | |
| Total Growing Stock Volume | 235,540 | | Total Sawtimber Volume | 604,135 | |
| Pine | 51,614 | | Pine | 84,716 | |
| Other Softwoods | 3,580 | | Other Softwoods | 11,473 | |
| Soft Hardwoods | 93,139 | | Soft Hardwoods | 227,985 | |
| Hard Hardwoods | 87,207 | | Hard Hardwoods | 279,961 | |
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| Average Net Annual Growth | Growing Stock | Sawtimber | Average Net Annual Removal | Growing Stock | Sawtimber |
| 1980-1993 | Thousand Cubic Feet | Thousand Board Feet | 1980-1993 | Thousand Cubic Feet | Thousand Board Feet |
| Total | 8,204 | 30,690 | Total | 2,329 | 4,920 |
| Pine | 3,038 | 8,721 | Pine | 356 | 1,239 |
| Other Softwoods | 120 | 489 | Other Softwoods | 243 | 998 |
| Soft Hardwoods | 3,110 | 11,573 | Soft Hardwoods | 1,433 | 1,656 |
| Hard Hardwoods | 1,936 | 9,907 | Hard Hardwoods | 297 | 1,027 |
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| Stocking Class | (Basal Area ft2/acre) | Thousand Acres | | | |
| Less than 16.7 | Nonstocked | 0.0 | | | |
| 16.7 to 60 | Poorly Stocked | 25.6 | | | |
| 60 to 100 | Medium Stocked | 56.8 | | | |
| 100 to 130 | Fully Stocked | 46.0 | | | |
| 130+ | Overstocked | 28.6 | | | |
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