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,1962.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).