Act of July 20, 1956, referred to in subsec. (a), is act July 20, 1956, ch. 645, 70 Stat. 581, as amended, which is set out as a note under section 465 of this title. For complete classification of this Act to the Code, see Tables.

Act of August 2, 1956, referred to in subsec. (a), is act Aug. 2, 1956, ch. 886, 70 Stat. 941, which was not classified to the Code.

Act of October 9, 1972, referred to in subsec. (a), is Pub. L. 92–480, Oct. 9, 1972, 86 Stat. 795, which was not classified to the Code.

Section 1 of the Act of October 13, 1972, referred to in subsec. (a), is section 1 of Pub. L. 92–488, Oct. 13, 1972, 86 Stat. 806, which was not classified to the Code.

For statutes cited in section 459 of this title, referred to in subsec. (a), see text of such section and References in Text note set out thereunder.

The Mineral Leasing Act of 1920, referred to in subsec. (a), is act Feb. 25, 1920, ch. 85, 41 Stat. 437, as amended, known as the Mineral Leasing Act, which is classified generally to chapter 3A (§ 181 et seq.) of Title 30, Mineral Lands and Mining. For complete classification of this Act to the Code, see Short Title note set out under section 181 of Title 30 and Tables.