Section 687a, acts May 14, 1898, ch. 299, 10, 30 Stat. 413; Mar. 3, 1927, ch. 323, 44 Stat. 1364; May 26, 1934, ch. 357, 48 Stat. 809; Aug. 23, 1958, Pub. L. 85–725, § 3, 72 Stat. 730, related to purchase rights, price and limits of acreage, and access to waterfront. Section 687a–1, act Apr. 29, 1950, ch. 137, 5, 64 Stat. 95, related to filing of notice of claim, and effect of failure to file. Section 687a–2, acts May 14, 1898, ch. 299, 10, 30 Stat. 413; Aug. 3, 1955, ch. 496, 2, 69 Stat. 444, related to entry on lands abutting on navigable waters. Section 687a–3, act May 14, 1898, ch. 299, 10, 30 Stat. 413, related to multiple claimants of the same tract.