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<br />~ <br />J."'o <br />J) <br />'..~) <br />l:':l <br />,~ <br />.....--' <br /> <br />assuming a loss from the Costilla gaging station to the intake of <br /> <br /> <br />Eastdale Reservoir of 60 second feet during April and 2.000 acre feet <br /> <br />for each of the other spring and summer months. <br /> <br />D, A deli very to Eastdale Reservoir No, 1 during the winter <br /> <br />period of 1.000 acre feet of water from the CUlebra system bringing the <br /> <br />reservoir each season up to a stage of 1.000 aore feet by the first of <br /> <br />April, <br /> <br />E, The use of water stored in the Eastdale Reservoir prior <br /> <br />to the USe of water stored in Costilla Reservoir in order to keep <br /> <br />losses down. <br /> <br />F, No usable return flow reaching the stream from the <br /> <br />irrigated lands belar; the canyon mouth, <br /> <br />G. Oporation of the system as a unit wi thout regard to <br />state lines, <br /> <br />H, That the irrigated aoreage above the mouth of the canyon <br /> <br />would not change, <br /> <br />In order to determine the yield of the 41 second feet of <br /> <br />demand under direot flow decrease, dr~~ng No, CC-7 was prepared, This <br /> <br />shows the yield of the 41 second feet during the sunnner months of the <br /> <br />period when daily records of discharge are available. The yield for <br /> <br />those period when only monthly estimates were made was determined by <br /> <br />the use of this drawing, Table No, 3 indicates the estimated yield <br /> <br />of the direct flow diversions, <br /> <br />Tables No, 5, 6, 7 and 8 show detailed operations and the <br /> <br />summary of the operations under conditions 1, 2, 3 and 4 as outlined <br /> <br />above, Under condit ions 1 and 3 it may be noted that the present <br /> <br />- 12 - <br />