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Lower Virgin River Unit, Colorado River Water Quality Improvement Program. The salt and water budgetstudy report from Desert Research Institute has been received and is under review. The conclusions from the study indicate a cost effective salinity project cannot be formulated. Investigations in Progress~~Appraisal and Special Whipple Wash Pumped-Storage Project. The project which would include 3,500 MW of capacity with three reservoi rsand pump~genera ti ng plants is located on Lake Havasu about 10 miles upstream from Parker Dam, Ca11fornia. Appraisal geological, engineering, and environmental studies have been completed and it has been determined that the three reservoi r sites for the project are not economically justified. The seepage in the three reservoirs would be excessive. The geology is not adequate for con- struction of stable dams at the desired locations. An appraisal report is scheduled for completion in 1981 with the recommendation that no further studies be made on the project. Reclamation and Energy Resources, LMNRA Wilderness Designation. The soecia1 study has been completed to evaluate potential Federal water and energy related development needs within the Lake Mead National Recreation Area between Davis Dam and the west boundary of the Grand Canyon National Park. Two potential pumped-storage sites have been identified. Feasibility study is justified for a 1,000-MW plant at the Spring Canyon site in Arizona about 70mi1es upstream from Hoover Dam. A special report will be complete in 1981. The Rifle Range site just downstream from Hoover Dam in Nevada is a promising pumped~storage site but further study is not justified at this ti me. A report i ncl udi ng the Rifl e Range site and s urrmari zi ng va ri ous potential 'Reclamation and Energy Resources in the recreation area will also be completed in 1981. Palo Verde Hydropower Project. This low-head hydropower project would be located at Palo Verde Dam. The Palo Verde Irrigation District is obtaining congressional authori ty to study and construct this project. Bureau activi ty has been discontinued. Water Conservation--Imperial Irrigation District. The objective of this special investigation is to identify improvements in facilities and opera- tional practices which would result in more efficient use of irrigation water resulting in conserved water being available for other demands in California or for federal purposes. The study will determine the benefits, costs, and constraints associated with various conservation measures such as canal lining, system automation, reregulation storage, and onfarm management. A draft of a canal lining report and a draft of the Salton Sea operation study report have been prepared and furnished planning team members for review. The canal lining plan is showing promise as a candidate 2