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<br />. <br /> <br />;:." <br /> <br />November 1973 <br /> <br />Expanded Indian Request <br /> <br />. Map #3 shows approximately 6,500 acres that were presented to the <br />Bureau of Reclamation as approved by the tribe for inclusion in the <br />Dolores Project. Two large maps were received showing most of the <br />reservation south and west of the Sleeping Ute Mountain. On these <br />maps, approximately 11,000 acres of arable lands were delineated <br />of which 6,500 acres were purposed for development. It is assumed <br />that the 6,500 acres are those which appear the most desirable to <br />the tribe. A field inspection by Reclamation classification and <br />drainage personnel revealed that about 2,550 acres of the 6,500 <br />acres are similar to the Dove Creek area lands, as they appear to <br />be underlain by sandstone rather than the highly saline Mancos <br />shale. These lands are located west of Mariano Wash. <br /> <br />In addition to the 6,500 acres the 1,000 acre-feet of M&I water would <br />still be delivered to the reservation. Chimney Rock Draw reservoir <br />would be abandoned and another reservoir west of the highway inter~ <br />section on an arm of Navajo Wash would be substituted. The reseryoir <br />would be significantly larger. It was requested that sufficient water <br />be provided to replenish an estimated 800 acre-feet annual evaporation <br />loss and an additional quantity for keeping the reservoir from becom~ng <br />too saline. This additional water requirement for maintenance of <br />reservoir quality is estimated to be 400 acre-feet per year. <br />~ <br /> <br />In order to deliver the water supply necessary for the above develop- <br />ment it was found economically advantageous to provide a separate canal <br />alinement rather than enlarge the MVI system. For 'sprinkler irrigation <br />the required capacity would be 120 cfs and assuming gravity service <br />the capacit~ would be 150 cfs. <br /> <br />- --.------...--!...... <br /> <br />:!:ndian Summary Data <br /> <br />LAND (acres) <br /> <br />WATER (acre-feet/year) <br />Irrigation <br />Municipal & Industrial <br />Recreation <br />Total <br /> <br />Sprinkler <br />6,500 <br /> <br />Gravity <br />6,500 <br /> <br />19,100 <br />1,000 <br />1,200 <br />21,300 <br /> <br />26,lOO <br />1,000 <br />1,200 <br />28,100 <br /> <br />RECREATION FACILITY <br />Sun dance DlUll & Reservoir <br />Normal Water Surface <br />Capacity (acre-feet) <br />Surface Area (acres) <br />Elevation (Ft. m.s.l.) <br /> <br />3,800 <br />176 <br />5.220 <br />