CFR > Title 43 - Public Lands: Interior > SUBTITLE B—Regulations Relating to Public Lands > CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR (parts 1000 to 9260) > SUBCHAPTER D—RANGE MANAGEMENT (4000) (parts 3900 to 4700) > PART 3930—MANAGEMENT OF OIL SHALE EXPLORATION AND LEASES > SUBPART 3931—Plans of Development and Exploration Plans (§3931.10 to §3931.100)