Editorial Notes Codification Section 615xxx, Pub. L. 92–514, title IV, § 401 , Oct. 20, 1972 , 86 Stat. 968 , authorized construction, operation, and maintenance of O’Neill unit, Pick-Sloan Missouri Basin program, Nebraska. Section 615yyy, Pub. L. 92–514, title IV, § 402 , Oct. 20, 1972 , 86 Stat. 969 , related to conservation and development of fish and wildlife and enhancement of recreational opportunities in connection with this unit. Section 615zzz, Pub. L. 92–514, title IV, § 403 , Oct. 20, 1972 , 86 Stat. 969 , related to integration of this unit with other Federal works. Section 615aaaa, Pub. L. 92–514, title IV, § 404 , Oct. 20, 1972 , 86 Stat. 969 , related to interest rates. Section 615bbbb, Pub. L. 92–514, title IV, § 405 , Oct. 20, 1972 , 86 Stat. 969 , related to newly irrigated lands. Section 615cccc, Pub. L. 92–514, title IV, § 406 , Oct. 20, 1972 , 86 Stat. 969 , authorized appropriations for this unit.