§ 184. Limitations on leases held, owned or controlled by persons, associations or corporations
§ 184a. Authorization of States to include in agreements for conservation of oil and gas resources lands acquired from United States
§ 185. Rights-of-way for pipelines through Federal lands
§ 186. Reservation of easements or rights-of-way for working purposes; reservation of right to dispose of surface of lands; determination before offering of lease; easement periods
§ 187. Assignment or subletting of leases; relinquishment of rights under leases; conditions in leases for protection of diverse interests in operation of mines, wells, etc.; State laws not impaired