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I I -...-..,"-1"" we have never really publicized it and don't like to publicize it now. That is, that based upon the historic flow of the Colorado River, there is not sufficient water in the river to provide the full 7~ million alloca- tions to the Upper and Lower Basins, re- spectively, and to satisfy the burden of the r1exican Treaty. vJhen the framers of the compact met in 1921 and '22, they based the compact upon the flow of the river for a few years immediately preceding the compact. During those years immediately preceding 1922, the annual flow of the Colorado River ran as high as 24 million acre-feet. As a matter of fact, during the years immediately preceding 1922, the river averaged somewhere in the neighborhood of 20,000,000 acre-feet. It was on that basis that the allocations were made. The result was that the Upper Basin guaranteed to the Lower Basin a deliv- ery of 75,000,000 acre-feet of water at Lee Ferry in every consecutive ten-year period. We know now, based upon the historic flow of the river, that the virgin flow at Lee Ferry is more in the neighborhood of 14,000,000 acre-feet. This means that when you strip out the r1exican Treaty and the 75 million acre-feet in every ten-year period, there remains only 6.3 million acre-feet of water for use in the Upper Basin. Then \>lhen we strip out Upper Basin reservoir evaporation, this leaves for headgate diversion only 5.6 million acre-feet of water per year. Is that correct, Tip?" lIJR. TIPTON: "Right. " lIJR. SPARKS: "5.6. This is approximately two million acre-feet of water less than we have always thought was available for use in the Upper Basin. This fact places us in a serious dilemma. He will be out of water in the Upper Basin at a much earlier date than we had originally