Section 427, act June 26, 1936, ch. 849, 1, 49 Stat. 1982, related to improvement and protection of beaches and defined beach. Section 428, act June 26, 1936, ch. 849, 2, 49 Stat. 1982, related to investigations by Beach Erosion Board and duties of Board. See section 426–1 of this title. Section 429, act June 26, 1936, ch. 849, 3, 49 Stat. 1983, related to investigative reports by Beach Erosion Board. See section 426–1 of this title. Section 430, act June 26, 1936, ch. 849, 4, 49 Stat. 1983, related to payment of expenses incident to investigations by Board. See section 426–1 of this title.