OCR Text |
Show PROBLEMS OF IMPERIAL VALLEY AND VICINITY. 127 Water supply.-Discharge recorded during 1910 and 1920 at diversion point and at mouth for 10 years, showing average at mouth below irrigation of 87,000 acre-feet and at diversion of possibly 90,000 acre-feet. Estimated at diversion (average): Acre feet. October-April...........................................................32, 000 May....................................................................42, 000 June.................................................................... 15,000 July.................................................................... 1,000 August...................i'............................................ 0 Total..............................................................90,000 Storage.-In the average year, practically all the supply after June 15.is taken by prior rignts, making 30,000 acre-feet of storage necessary, and to give some hold-over 40,000 acre-feet should be built. Reservoirs.-Park reservoir site on Elkhead Creek; capacity 40,000 acre-feet with estimated tributary run-off about 40,000 acre-feet. SUMMERS PROJECT. Proposed to irrigate 20,000 acres on the first bench above Yampa River and in the neighborhood of Juniper Mountain. Direct diversion would require a 100-foot dam and a long canal. The project might be irrigated by pumping if Juniper reservoir is built. Water supply is sufficient. TELLOWJACKET PROJECT. White River slope, 12,000 acres; Yampa River slope, 60,000 acres; total, 72,000 acres. Mean annual temperature, 42°. Mean annual precipitation, 12 inches; irrigation season, 4 inches. Elevation, 6,500 feet above sea level. Transportation, Denver & Salt Lake Railroad. Between frosts (summer), 90 days. Irrigation plan.-Diversion from North Fork of White River in center of township 1 north, range 90 west; thence along river to Beaver Creek, where there is a unit of 12,000 acres; thence to Yellow-jacket Pass, through tunnel 4,000 feet long, total length, 25 miles. After passing through the tunnel there are 2 miles of ditch to Pass Butte reservoir site; thence 10 miles to the main unit of 60,000 acres lying in Axial Basin on benches south of Yampa River. Duty of water {2.50 acre-feet per acre). 72,000 acres. May...........................................:................................. 0.30 22,000 Jun e............................................................................ .85 61,000 July............................................................................. .85 61,000 August.............,............................................................ .50 36,000 Total...................................................................... 2.50 180,000 |
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Original book: [State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Coachella Valley County Water District, Metropolitan Water District of Southern California, City of Los Angeles, California, City of San Diego, California, and County of San Diego, California, defendants, United States of America, State of Nevada, State of New Mexico, State of Utah, interveners] : |