{"data":{"id":"us/40-cfr-81.415","jurisdiction":"us","citation":"40 CFR 81.415","heading":"Minnesota.","body":"Area name Acreage Public Law establishing Federal land manager\nBoundary Waters Canoe Area Wild 747,840 99-577 USDA-FS\nVoyageurs NP 114,964 99-261 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":"018896ec0c4d29f1f00e6d864e02ff04b66142cd60db897153be9894f57e10f6","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.414","next":"us/40-cfr-81.416"},"notice":"GroundRules: Original legal text. Not legal advice."}