{"data":{"id":"us/43-cfr-8223.0-5","jurisdiction":"us","citation":"43 CFR 8223.0-5","heading":"-5 Definitions.","body":"(a) Research natural area means an area that is established and maintained for the primary purpose of research and education because the land has one or more of the following characteristics:\n(1) A typical representation of a common plant or animal association;\n(2) An unusual plant or animal association;\n(3) A threatened or endangered plant or animal species;\n(4) A typical representation of common geologic, soil, or water features; or\n(5) Outstanding or unusual geologic, soil, or water features.\n(b) [Reserved]","path":["Title 43—Public Lands: Interior","Subtitle B—Regulations Relating to Public Lands","CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR","SUBCHAPTER H—RECREATION PROGRAMS Group 8100—Cultural Resource Management [Reserved] Group 8200—Natural History Resource Management","PART 8200—PROCEDURES","Subpart 8223—Research Natural Areas"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-43.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:15Z","sha256":"22f134da2c5ac7816e5f5803c8f19596ed9e41b90a43d731b360399850f528c1","source_id":"us-cfr","stale":true,"prev":"us/43-cfr-8223.0-1","next":"us/43-cfr-8223.0-6"},"notice":"GroundRules: Original legal text. Not legal advice."}