Section, Pub. L. 88–578, title I, § 11, formerly § 2(a) (in part), Sept. 3, 1964, 78 Stat. 899; renumbered § 10, Pub. L. 90–401, § 1(a), July 15, 1968, 82 Stat. 354; renumbered § 11, Pub. L. 92–347, § 2, July 11, 1972, 86 Stat. 459, repealed provisions prohibiting collection of recreation fees or user charges.