{"data":{"id":"us/40-cfr-81.403","jurisdiction":"us","citation":"40 CFR 81.403","heading":"Arizona.","body":"Area name Acreage Public Law establishing Federal land manager\nChiricahua National Monument Wild 9,440 94-567 USDI-NPS\nChiricahua Wild 18,000 88-577 USDA-FS\nGaliuro Wild 52,717 88-577 USDA-FS\nGrand Canyon NP 1,176,913 65-277 USDI-NPS\nMazatzal Wild 205,137 88-577 USDA-FS\nMount Baldy Wild 6,975 91-504 USDA-FS\nPetrified Forest NP 93,493 85-358 USDI-NPS\nPine Mountain Wild 20,061 92-230 USDA-FS\nSaguaro Wild 71,400 94-567 USDI-FS\nSierra Ancha Wild 20,850 88-577 USDA-FS\nSuperstition Wild 124,117 88-577 USDA-FS\nSycamore Canyon Wild 47,757 92-241 USDA-FS","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":"84cd66b93ffc991713501362924b062872d3f6487eea76276e2bf8427bad4df0","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.402","next":"us/40-cfr-81.404"},"notice":"GroundRules: Original legal text. Not legal advice."}