GroundRules
40 CFR 81.410: Idaho.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- 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
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
1 Hells Canyon Wilderness, 192,700 acres overall, of which 108,900 acres are in Oregon and 83,800 acres are in Idaho.
2 Selway Bitterroot Wilderness, 1,240,700 acres overall, of which 988,700 acres are in Idaho and 251,930 acres are in Montana.
3 Yellowstone National Park, 2,219,737 acres overall, of which 2,020,625 acres are in Wyoming, 167,624 acres are in Montana, and 31,488 acres are in Idaho.
4 17 Stat. 32 (42nd Cong.).
Collected 2026-08-27T02:26:04Z. Source file · JSON