§ 424a.
The Secretary of the Army is authorized to modify from time to time, the harbor lines at Newport Harbor, California, established in pursuance of section 424 of this title: Provided, That in his opinion such modification will not injuriously affect the interests of navigation.
([Mar. 3, 1925, ch. 467, § 10], [43 Stat. 1197]; [July 26, 1947, ch. 343], title II, § 205(a), [61 Stat. 501].)