A prior section 167n, act Mar. 3, 1925, ch. 426, § 16, as added Pub. L. 86–777, § 2, Sept. 13, 1960, 74 Stat. 923, directed the Secretary of the Interior to make annual reports to Congress, prior to repeal by Pub. L. 105–362, title IX, § 901(q), Nov. 10, 1998, 112 Stat. 3291.