| Number of IRA's in merged classes 1B, 1B-1 and 1C | |||||||||||||||
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| Definitions of Categories of Inventoried Roadless Areas | |||||||||||||||
| 1B | Inventoried roadless area where road construction or reconstruction is not allowed | ||||||||||||||
| 1B-1 | Inventoried roadless area where road construction or reconstruction is not allowed, and the forest plan recommends as wilderness | ||||||||||||||
| 1C | Inventoried roadless area where road construction or reconstruction is allowed | ||||||||||||||