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<br />~ ~ <br /> <br />OGJJS7 <br /> <br />- 3 - <br /> <br />The gaging station near Blanco was discontinued in 1954. For <br />the years 1955 and 1956 the San Juan near Archuleta minus the <br />diversions by the Citizens Ditch was listed as historic San <br />Juan at Blanco. These diversions were considerably greater in <br />amount than the average of 33,400 acre feet shown in the letter <br />by Mr. Reynolds. Also, an analysis of the runoff near Blanco <br />in 1954 indicates that net evaporation loss in the Navajo <br />Reservoir would be about 25,000 acre feet. Under these assump- <br />tions shortages in 1955 and 1956 would be 308,000 acre feet and <br />334,000 acre feet respectively, as shown in Column 10. In these <br />instances the resulting diversions for New Mexico projects would <br />be 59 percent and 56 percent of ideal diversion demand on the <br />reservoir. The resulting consumptive use for the New Mexico uses <br />considered would be: <br /> <br /> 1955 1956 <br />Initial stage San Juan-Chama 49,000 71,000 <br />Pine River depletions in N. M. 1,400 1,400 <br />Depletions by diversions from <br />Navajo Reservoir 218,900 207,800 <br />Navajo Reservoir evaporation 25.000 25,000 <br /> 294,300 305,200 <br /> <br />These amounts for 1955 and 1956 would be 57 percent and <br /> <br /> <br />59 percent respectively of the average consumptive use of 515,400 <br /> <br /> <br />acre feet for New Mexico uses. <br /> <br />It may be noted that the diversions by the initial stage of <br />the San Juan-ehama project would be 47 percent and 68 percent of <br />the average in 1955 and 1956 respectively. <br /> <br />l <br />