Inventory by Districts, December 1, 2009, Montana, USA
| County and District |
2009 |
| NORTHWEST | 12,900 |
| NORTH CENTRAL | 289,000 |
| NORTHEAST | 3,100 |
| CENTRAL | 197,000 |
| SOUTHWEST | 4,100 |
| SOUTH CENTRAL | 32,000 |
| SOUTHEAST | 1,900 |
| MONTANA | 540,000 |