Authority for the disposal of mineral materials is provided by the Materials Act of July 31, 1947 (30 U.S.C. § 601 et seq.), as amended by the Acts of August 31, 1950 (30 U.S.C. §§ 603–604), July 23, 1955 (30 U.S.C. § 601, 603), and September 25, 1962 (30 U.S.C. § 602), and by the following: the Act of June 4, 1897 (16 U.S.C. § 477); the Act of March 4, 1917 (16 U.S.C. § 520); the Bankhead-Jones Farm Tenant Act of July 22, 1937 (7 U.S.C. § 1010); the Act of September 1, 1949 (section 3) (30 U.S.C. § 192c); the Act of June 30, 1950 (16 U.S.C. § 508b); the Act of June 28, 1952 (section 3) (66 Stat. 285); the Act of September 2, 1958 (16 U.S.C. § 521a); the Act of June 11, 1960 (74 Stat. 205); the Federal Highway Act of August 27, 1958 (23 U.S.C. § 101 et seq.); and the Alaska National Interest Lands Conservation Act of December 2, 1980 (section 502) (16 U.S.C. § 539a).