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SYNOPSIS . initial construction and later enlargement. One-stage construction also would obviate interference with initial phase operation that otherwise would result while the dam was being enlarged. The existing outlet tunnel from the Strawberry neservoir would be enlarged. Below the tunnel outlet, in succession down the west slope of t..e Wasatch Nountain5, would be constructed the Old West power plant, Sixth Water aqueduct, Hanmock power plant, Tanner power plant, Monks Hollow Dam, the Wasatch aqueduct as far as York Ridge near Santaquin, and the Castilla power plant. The Mona-Nephi Canal would be constructed from York Ridge as far south as Salt Creek near Nephi. The Mona Reser- voir would be enlarged, the Elberta Service Pipe would be constructed, and the existing Elberta Canal would be enlarged to distribute water from Mona Reservoir. Use of Provo River water through exchange in the initial phase would require construction of Bates Dam on Provo River, Hobble Creek Dam on Little Hobble Creek, the Hest Valley Canal, and the Front Dam. Provo Bay would be diked and drained and the upper 7 miles of the Jordan River channel would be enlarged. j\.n exchange of water between the Bates Reservoir and numerous small storage reservoirs on the upper Provo River would be made to provide supplemental water to areas in the vicinity of Francis and Heber City. Water developing between Bates Reservoir and Hobble Creek Reservoir would be used for supplemental irrigation in the Walls burg area in exchange for Strawberry Reservoir water delivered to utah Lake. A darn would be constructed creating Round Knoll Lake for recreational and fish and wildlife purposes. New project works to provide water for replacement and expanded irrigation and municipal use in the Uinta Basin would include Hanna Reservoir on the North Fork of Duchesne River, Starvation Reservoir on Strawberry River with a 6.8-mile feeder canal from the Duchesne River, the Upalco Reservoir offstream from Lakefork River, the Stanaker Reservoir with a 3.6-mile feeder canal from Ashley Creek, and the Tyzack Reservoir on Brush Creek. Existing drains and irrigation laterals generally would be adequate for the project but some rehabilitation of drainage systems would be required in the Spanish Fork and Nephi areas, and new drains would be required in the Provo Bay, Lehi, Vernal, and Jensen areas. Construction of some new distribution laterals and rehabilitation of others would be required in nearly all major irrigation areas. A pipe line would be required to convey water to communities in eastern Duchesne County. Necessary distribution facilities within the 9