Section
460b, acts June 16, 1936, ch. 582, § 5,
49 Stat. 1520; June 8, 1938, ch. 328, § 8,
52 Stat. 635; Sept. 5, 1940, ch. 715, § 9,
54 Stat. 870, related to determination of location of parkways upon public lands, national forests, or other Federal reservations.
Section
460c, act Sept. 7, 1950, ch. 912, § 4(b),
64 Stat. 787, related to administration of parkway appropriations.