{"data":{"id":"us/40-cfr-81.425","jurisdiction":"us","citation":"40 CFR 81.425","heading":"Oregon.","body":"Area name Acreage Public Law establishing Federal land manager\nCrater Lake NP 160,290 57-121 USDA-NPS\nDiamond Peak Wild 36,637 88-577 USDA-FS\nEagle Cap Wild 293,476 88-577 USDA-FS\nGearhart Mountain Wild 18,709 88-577 USDA-FS\nHells Canyon Wild 1 108,900 94-199 USDA-FS\nKalmiopsis Wild 76,900 88-577 USDA-FS\nMountain Lakes Wild 23,071 88-577 USDA-FS\nMount Hood Wild 14,160 88-577 USDA-FS\nMount Jefferson Wild 100,208 90-548 USDA-FS\nMount Washington Wild 46,116 88-577 USDA-FS\nStrawberry Mountain Wild 33,003 88-577 USDA-FS\nThree Sisters Wild 199,902 88-577 USDA-FS\n1 Hells Canyon Wilderness, 192,700 acres overall, of which 108,900 acres are in Oregon, and 83,800 acres are in Idaho.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"5ced5abff1e6d7b3e41c55fbb083008426c19629321e40f9309e4c05680cc538","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.424","next":"us/40-cfr-81.426"},"notice":"GroundRules: Original legal text. Not legal advice."}