((a)) ** Lands within authorized boundaries of components of system** All public lands within the authorized boundaries of any component of the national wild and scenic rivers system which is designated in or which is designated after , for inclusion in that system are hereby withdrawn from entry, sale, or other disposition under the public land laws of the United States. This subsection shall not be construed to limit the authorities granted in section 1277(d) or .section 1274 of this titlesection 1285a of this titleOctober 2, 19681968-10-02

((b)) ** Lands constituting bed or bank of river; lands within bank area** All public lands which constitute the bed or bank, or are within one-quarter mile of the bank, of any river which is listed in are hereby withdrawn from entry, sale, or other disposition under the public land laws of the United States for the periods specified in . Notwithstanding the foregoing provisions of this subsection or any other provision of this chapter, subject only to valid existing rights, including valid Native selection rights under the Alaska Native Claims Settlement Act [ et seq.], all public lands which constitute the bed or bank, or are within an area extending two miles from the bank of the river channel on both sides of the river segments referred to in paragraphs (77) through (88) of are hereby withdrawn from entry, sale, State selection or other disposition under the public land laws of the United States for the periods specified in .section 1276(a) of this titlesection 1278(b) of this title43 U.S.C. 1601section 1276(a) of this titlesection 1278(b) of this title