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<br />immediate vicinity of the pit. However, as the <br />degree of irrigation within the permit area will <br />decrease as mining progresses, especially near the <br />pit, this approximation should have lithe <br />consequence. <br />c. of the estimated 43.8 acre-feet pumped from the <br />pit, 18 acre-feet (43.8 x 5 mos/12 mos) pumped during <br />the winter non-irrigation season (November to March) <br />does not affect irrigation rights. Therefore a <br />supply of 43.8-18.0 or 25.8 acre-feet is needed to <br />augment water rights impacted by mining. <br />• d. It was conservatively assumed that the entire 25.8 <br />acre-feet comes from the designated impacted water <br />rights. <br />e. In order to effectively augment the potentially <br />impacted rights, an administration loss factor of 0.5 <br />is used. Therefore 2 x 25.8, or 51.6, acre-feet will <br />be used for augmentation. <br />The total conservatively estimated mining-phase water <br />requirement is therefore 100.9 acre-Peet. Of this, 49.3 <br />acre-feet will be consumptively used. The remainder (51.6) <br />is non-consumptive. <br />17 <br /> <br />GEOfRANS,INt. <br />REVISED MARCH 2006 Attachment 2.05.6(3)(b)(v}-1-22 <br />