{"data":{"id":"us/40-cfr-81.430","jurisdiction":"us","citation":"40 CFR 81.430","heading":"Utah.","body":"Area name Acreage Public Law establishing Federal land manager\nArches NP 65,098 92-155 USDI-NPS\nBryce Canyon NP 35,832 68-277 USDI-NPS\nCanyonlands NP 337,570 88-590 USDI-NPS\nCapitol Reef NP 221,896 92-507 USDI-NPS\nZion NP 142,462 68-83 USDI-NPS","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":"b752fa117be30ca707d79b8b3cefae94011b491459e0828b5b04ef9efc22dd10","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.429","next":"us/40-cfr-81.431"},"notice":"GroundRules: Original legal text. Not legal advice."}