Section 321a, act June 30, 1932, ch. 320, § 2, 47 Stat. 446, related to execution of laws pertaining to construction and maintenance of roads and trails by Secretary of the Interior.

Section 321b, act June 30, 1932, ch. 320, § 3, 47 Stat. 446, related to distribution of duties and promulgation of rules and regulation.

Section 321c, act June 30, 1932, ch. 320, § 4, 47 Stat. 446, related to submission of appropriations.

Section 321d, act June 30, 1932, ch. 320, § 5, as added July 24, 1947, ch. 313, 61 Stat. 418, required a reservation of right-of-way for roads, roadways, highways, tramways, trails, bridges, and appurtenant structures in patents and deeds.

Section 322, acts Jan. 27, 1905, ch. 277, § 2, 33 Stat. 616; May 14, 1906, ch. 2458, § 2, 34 Stat. 192; June 30, 1932, ch. 320, § 1, 47 Stat. 446; July 14, 1955, ch. 359, 69 Stat. 321, related to location, lay out, construction, and maintenance of roads, trails and bridges.

Section 323, acts Jan. 27, 1905, ch. 277, § 2, 33 Stat. 616; May 14, 1906, ch. 2458, § 2, 34 Stat. 192; June 30, 1932, ch. 320, § 1, 47 Stat. 446, related to maps, plans and specifications for roads and trails and contracts for permanent contracts.

Section 324, acts Jan. 27, 1905, ch. 277, § 2, 33 Stat. 616; May 14, 1906, ch. 2458, § 2, 34 Stat. 192; June 30, 1932, ch. 320, § 1, 47 Stat. 446, related to repair of roads and trails.

Section 325, acts Jan. 27, 1905, ch. 277, § 2, 33 Stat. 616; May 14, 1906, ch. 2458, § 2, 34 Stat. 192; June 30, 1932, ch. 320, § 1, 47 Stat. 446, related to costs and expenses of laying out, constructing, and repairing roads and trails.

Repeal of sections 321a to 325 effective July 1, 1959, see section 21(d) of Pub. L. 86–70 set out as an Effective Date of 1959 Amendment note under section 103 of Title 23, Highways.