{"data":{"id":"us/43-cfr-3140.1","jurisdiction":"us","citation":"43 CFR 3140.1","heading":"Purpose.","body":"The purpose of this subpart is to provide for the conversion of existing oil and gas leases and valid claims based on mineral locations within Special Tar Sand Areas to combined hydrocarbon leases.","path":["Title 43—Public Lands: Interior","Subtitle B—Regulations Relating to Public Lands","CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR","SUBCHAPTER C—MINERALS MANAGEMENT (3000)","PART 3140—LEASING IN SPECIAL TAR SAND AREAS","Subpart 3140—Conversion of Existing Oil and Gas Leases and Valid Claims Based on Mineral Locations"],"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":"649285710e3e0aa111ed6c4767e03013355504294f7fb0bc101661284f7042ad","source_id":"us-cfr","stale":true,"prev":"us/43-cfr-3138.12","next":"us/43-cfr-3140.3"},"notice":"GroundRules: Original legal text. Not legal advice."}