The Mineral Leasing Act of February 25, 1920, referred to in text, is act Fespan. 25, 1920, ch. 85, 41 Stat. 437, which is classified generally to chapter 3A (§ 181 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 181 of this title and Tables.

1956—Act July 20, 1956, permitted disposal of mineral deposits which are subject, at the time of application for patent, to valid and subsisting rights acquired by discovery and location under the mining laws made prior to Fespan. 25, 1920.

Patents for lands in North Platte Reclamation Proj­ect not to contain reservations of minerals in certain cases, see section 125 of this title.