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FrOQ the foregoing table it is apparent that Senate Document 80 amounts have been diverted only ror power during the winter months. The recorded diversions for this critical water year amounted to 86 percent of Senate Document 80 requirements. From this it is concluded that the Cameo requirements adopted are on the conservative side. Synfuel Requirements As stated previously, the water needed for synthetic liquid fuel production from oil shale varies between wide limits, depending upon the process used. Furthermore, numerous water rights having various appropriation dates are held by a number of entities. As it is unknown which water rights might be perfected and which process will be used, the studies were made on the assumption that the water rights for synfuel production were adequate to supply the synfuel needs at all times that water was physically available. Sheephorn Reservoir Operation The estimated historic rlow at the Sheephorn Damsite, corrected for transmountain diversions, and for operation of Green Mountain Reservoir, is shown in Table 2. Surplus flows available for storage at the Sheephorn reservoir site are those after Shoshone and/or Cameo requirements have been met as well as an arbitrary minimum streamflow release of 300 crs at the Sheephorn damsite for fish and wildlife purposes. In addition, the requirements for synfuel plants and related urban growth having demands of 100,000, 200,000 and 350,000 acre-feet per year were first met if the water was physically available between Glenwood Springs and Cameo. Storable flows at the Sheephorn site ror these three conditions are shown in Table 3. It is to be noted that as the oil shale requirements increase, the controlling call on the river remained at Shoshone; hence, the storable flow remains the same under the three different synfuel requirements. As stated in the previous paragraph, an arbitrary 300 cfs was selected as the fish and wildlife release. Ir this is reduced to 50 ~ -10-