Pub. L. 100-387, tit. IV, subtit. B, pt. 2, sec. 421
CENTRAL VALLEY PROJECT WATER RELEASES.
SEC 421. CENTRAL VALLEY PROJECT WATER RELEASES. The Secretary of the Interior is authorized to install a temperature control curtain as a demonstration project at Shasta Dam, Central Valley project, California, at a cost not to exceed $5,500,000. The purpose of the demonstration project is to determine the effectiveness of the temperature control curtain in controlling the temperature of water releases from Shasta Dam, so as to protect and enhance anadromous fisheries in the Sacramento River and San Francisco Bay/Sacramento-San Joaquin Delta and Estuary