CHAPTER 12—MULTIPLE MINERAL DEVELOPMENT OF THE SAME TRACTS (§§ 521—531)
- § 521. Mineral leasing claims
 - § 522. Conflicting periods of location of claims
 - § 523. Uranium leases
 - § 524. Reservation of minerals to United States
 - § 525. Future location of claims on mineral lands
 - § 526. Mining and Leasing Act operations
 - § 527. Determination of unpatented mining claims
 - § 528. Waiver and relinquishment of mineral rights
 - § 529. Helium lands subject to entry
 - § 530. Definitions
 - § 531. Approval of United States officials