{"data":{"id":"us/40-cfr-81.422","jurisdiction":"us","citation":"40 CFR 81.422","heading":"North Carolina.","body":"Area name Acreage Public Law establishing Federal land manager\nGreat Smoky Mountains NP 1 273,551 69-268 USDI-NPS\nJoyce Kilmer-Slickrock Wild 2 10,201 93-622 USDA-FS\nLinville Gorge Wild 7,575 88-577 USDA-FS\nShining Rock Wild 13,350 88-577 USDA-FS\nSwanguarter Wild 9,000 94-557 USDI-FWS\n1 Great Smoky Mountains National Park, 514,758 acres overall, of which 273,551 acres are in North Carolina, and 241,207 acres are in Tennessee.\n2 Joyce Kilmer-Slickrock Wilderness, 14,033 acres overall, of which 10,201 acres are in North Carolina, and 3,832 acres are in Tennessee.","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":"1e0f9924558e8ca9b5444d7d28aeeeb0511789c430e849ed881c7db937ef9c74","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.421","next":"us/40-cfr-81.423"},"notice":"GroundRules: Original legal text. Not legal advice."}