Federal lands
(4) “Federal lands” means any land, including mineral interests, owned by the United States without regard to how the United States acquired ownership of the land and without regard to the agency having responsibility for management thereof, except Indian lands: Provided, That for the purposes of this chapter lands or mineral interests east of the one hundredth meridian west longitude owned by the United States and entrusted to or managed by the Tennessee Valley Authority shall not be subject to sections 1304 (Surface Owner Protection) and 1305 (Federal Lessee Protection) of this title.