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<br />. <br /> <br />. <br /> <br />,. <br /> <br />J ,j3J: <br /> <br />TO: <br /> <br />FROM: <br /> <br />SUBJECT: <br /> <br />UPPER COLORADO RIVER COMMISSION <br />355 South Fourth East Street <br />Sell Lake City 11, Uteh <br /> <br />. '~Ij <br /> <br />W","' \G"-1 <br />\A""~ I .- a <br />~,.~.. . ""~ <br />'l'l~,\,,,. <br />to"~' <br /> <br />May 16, 1963 <br /> <br />MEMORANDUM <br /> <br />Members of the Engineering Committee <br /> <br />Paul A. Rechard, Principal Hydraulic Engineer <br /> <br />ftll1ng CRS P Storage Unit Reservoirs <br /> <br />Attached Is one copy of each of the followln(jl: <br /> <br />1. Pictorial presentation of storage In Colorado River Reservoirs <br />as of May 1 and an estimate of storage on April 1, 1964 based <br />on tho USSR, Region 4, forecasts of inflow to flaming GorQo, <br />Navajo and Lake Powell for May - July (the actual forecast Is <br />for the period April - July but by subtractJng the recorded April <br />runoff a residual forecast for May - July Is obtained) and ,,"voraQ'e <br />flows for the remainder of the yeeT. The extent of bank storage <br />In the reservoirs Is unknown but has been esUmated by the <br />Bureau of Reclamation at 10% of the surface storage. Bank stcraQe <br />i5 not included in the computations upon which this presentation <br />is based. <br /> <br />2. A plotting of the daily surface storage in Navajo Reservoir. <br /> <br />3. A plotting of the dally surhce storage in Flaming Gorge Reservoir. <br /> <br />-4. A plotting of the d'JUy surface storage in Lake Powell. <br /> <br />5. A plotting of the datil' usable surface storage 1n Lake Mead for <br />1962 water year and to May S. 1963. <br /> <br />6. A plotting of the end of rnon"h usable surface storage 10 Lake Mead <br />for calendar years 1951 through Aprll 1963. <br />