Inventory by Districts, December 1, 2006, Montana, USA
| District |
2006 |
| NORTHWEST | 11,500 |
| NORTH CENTRAL | 288,000 |
| NORTHEAST | 2,500 |
| CENTRAL | 168,000 |
| SOUTHWEST | 3,500 |
| OTHER DISTRICTS | 22,500 |
| |
496,000 |