Section 1935, acts Aug. 26, 1954, ch. 937, ch. II, 415, 68 Stat. 849; July 18, 1956, ch. 627, 8(l), 70 Stat. 559, related to stockpiling of supplies. Section 1936, acts Aug. 26, 1954, ch. 937, ch. II, 416, 68 Stat. 849; Aug. 14, 1957, Pub. L. 85–141, § 8(m), 71 Stat. 362, provided for facilitation and encouragement of travel.