[Code of Federal Regulations] [Title 43, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR3140.2-2] [Page 397] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER II--BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR PART 3140_COMBINED HYDROCARBON LEASING--Table of Contents Subpart 3140_Conversion of Existing Oil and Gas Leases and Valid Claims Based on Mineral Locations Sec. 3140.2-2 Who may apply. Only owners of oil and gas leases issued within Special Tar Sands Areas, on or before November 16, 1981, and owners of valid claims based on mineral locations within Special Tar Sands Areas, are eligible to convert leases or claims to combined hydrocarbon leases in Special Tar Sands Areas. [55 FR 12351, Apr. 3, 1990]