{"data":{"id":"us/40-cfr-81.434","jurisdiction":"us","citation":"40 CFR 81.434","heading":"Washington.","body":"Area name Acreage Public Law establishing Federal land manager\nAlpine Lakes Wild 303,508 94-357 USDA-FS\nGlacier Peak Wild 464,258 88-577 USDA-FS\nGoat Rocks Wild 82,680 88-577 USDA-FS\nMount Adams Wild 32,356 88-577 USDA-FS\nMount Rainer NP 235,239 (1) USDI-NPS\nNorth Cascades NP 503,277 90-554 USDI-NPS\nOlympic NP 892,578 75-778 USDI-NPS\nPasayten Wild 505,524 90-544 USDA-FS\n1 30 Stat. 993 (55th Cong.).","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":"a880336f01aa921e2ad167e0f2c5aad99f641fff55df267cd78c953cc92ff213","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.433","next":"us/40-cfr-81.435"},"notice":"GroundRules: Original legal text. Not legal advice."}