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<br />, <br /> <br />12 <br /> <br />. <br /> <br />this assumption the only increased return to the river <br />would be fram the new water diverted to the Southwest Area, <br />and that there would be no increased return by virtue of <br />the new water diverted to the Closed Basin. It may be <br />noted from Graph "C", that under this assumption, by the <br />middle of 1934 Colorado would owe to the river about <br />444,000 aore-feet of water, which would be the total amount <br />in storage. On the right hand graph, it may be aoted that <br />in 1934 the stage of Elephant Butte Reservoir would have <br />dropped to 600,000 acre-feet, a condition which under the <br />terms of the Campact would have required the releaee of that <br />water in storage in Wagon Wheel Gap Reservoir which belonged <br />to Elephant Butte Reservoir. <br /> <br />,. <br /> <br />It is believed that the construotion of the Closed Basin <br />Drain will permit the free operation of Wagon \lheel Gap <br />Reservoir at all times, inclUding such a critical period as <br />19'25 to 1939. It does not appear unreasonable to assume <br />that over a long-time period the Clossd Basin Drain will <br />yield an average of 60,000 aore-feet of water per annum after <br />all necessary laterals have been constructed to serve the <br />lands lying west of the Drain. <br /> <br />;: <br /> <br />Graph "C", on Drawing SLV -44, indicates the oondition that <br />would result if Wagon Wheel Gap Reservoir, with a oapacity <br />of 1,000,000 acre-feet, were constructed and the Closed <br />Basin Drain were in operation yielding various amounts fram <br />10,000 to 60,000 acre-feet per annum. Assumption "c" does <br />not include the Weminuche Pass diversion. <br /> <br />From our e.nalyses of the various combinations of reservoir <br />capacities and other units, we have concluded that the <br />most desirable set-up will include an 800,000 acre-foot <br />reservoir at Wagon Wheel Gap, Weminuche Tranemountain <br />Diversion Project, and the Closed Basin Drain located west <br />of the "sump" area proper. <br /> <br />c <br /> <br />Graph "E" on Drawing SLV -44 represents the operation of this <br />oambination of projects. With an 800,000 acre-foot <br />reservoir at Wagon Wheel Gap, but without Weminuche Pass <br />Tranamountain Diversion, shortages would occur in the years <br />1934, 1936, and 1937, and at the middle of 1934, 444,000 <br />acre-feet of water in the reservoir would belong to <br />Elephant Butte the same as under the condition represented <br />by Graph "C". With the tranemountain diversioa the 1934, <br />1936, and 1937 shortages would be elimaated, and the amount <br />of water owed to Elephant Butte Res ervoir in 1934 would be <br />295,000 acre-feet. <br /> <br />1764 <br />