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Title 40: Protection of Environment
CHAPTER I: ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
SUBCHAPTER C: AIR PROGRAMS (CONTINUED)
PART 81: DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart D: Identification of Mandatory Class I Federal Areas Where Visibility Is an Important Value
81.410 - Idaho.
| Area name | Acreage | Public Law establishing | Federal land manager |
| Craters of the Moon Wild | 43,243 | 91-504 | USDI-NPS |
| Hells Canyon Wild 1 | 83,800 | 94-199 | USDA-FS |
| Sawtooth Wild | 216,383 | 92-400 | USDA-FS |
| Selway-Bitterroot Wild 2 | 988,770 | 88-577 | USDA-FS |
| Yellowstone NP 3 | 31,488 | (4) | USDI-NPS |
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