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Show 112 'PROBLEMS OF IMPERIAL VALLEY AND VICINITY. the nearest gaging station because of higher altitude. Therefore the winter run-off at these lakes is estimated to total 100,000 acre-feet. This will give a supply for extension to new projects as follows: Average supply for new projects. Acre-feet. August 20-May 15....................................................... 100,000 May 15-31.............................................................. 99,000 June................................................................... 286,000 July.................................................................... 109,000 August 1-20.............................................................. 12,000 Total............................................................. 606,000 Disregarding return flow, this is enough for 240,000 acres at 2.5 acre-feet per acre diversion, for which 200,000 acre-feet of storage will be needed in the average year. For hold-over, all the reservoir sites noted should be constructed. If the Bonneville project is built, some use can be made of return flow. If the other projects-Seedskadee and Green River-are built, there will be little opportunity to use return flow because it is to be ¦expected that all bottom land below Green River town will eventually be submerged by Flaming Gorge reservoir. However, water available to Bonneville project is less than the estimated amount available at Green River and estimates made from reconnaissance show that main canal would be expensive. It is therefore assumed that the lower projects will be irrigated in preference to the Bonneville. The Big Pinev-La Barge project nas been placed in the list of lands -expected to be irrigated in the near future, and its demands subtracted from the total water supply. The remaining projects are as follows: Gross area, acres. Small Seedskadee....................................................... 50,000 Large Seedskadee......................................................190,000 Green River........................................................... 117,000 Total............................................................. 357, 000 After reconnaissance of the first two the net irrigable acreage is placed by Stubblefield as follows: Acres. Small Seedskadee....................................................... 28,000 Large Seedskadee...................................................... 65,000 But this figure can be increased by artificial drainage. Nothing is known of the Green River project, but it is estimated by Mr. Lloyd, Wyoming Carey Act engineer, to be 80 per cent irrigable- 94,000 acres, making a total of 187,000 acres before drainage. If a total of 240,000 acres does not exist in these projects with drainage, there are other possibilities along the river without recourse to the Bonneville project in full. In townships 31, 32, and 33 north and ranges 108 and 109 west are shown canals diverting from Boulder Creek and Silver Creek, for which surveys have been run. Also, the easier part of the Bonneville project could be built. |
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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] : |