Section 615s, Pub. L. 86–276, § 1, Sept. 16, 1959, 73 Stat. 561; Pub. L. 87–630, § 1(a), Sept. 5, 1962, 76 Stat. 431, authorized construction, operation, and maintenance of Spokane Valley Project, Washington and Idaho.

Section 615t, Pub. L. 86–276, § 2, Sept. 16, 1959, 73 Stat. 562; Pub. L. 87–630, § 1(b), Sept. 5, 1962, 76 Stat. 431, related to provisions concerning construction, operation, and maintenance of this project.

Section 615u, Pub. L. 86–276, § 3, Sept. 16, 1959, 73 Stat. 562; Pub. L. 87–630, § 1(c), Sept. 5, 1962, 76 Stat. 431, authorized appropriations for this project.