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located in the northeast portion of the 40.4 acres will be taken out of irrigation for mining and the <br />remaining 20.4 acres will remain in alfalfa until the mining of the gravel pit extends to the full 40.4 <br />acres. In the months of April, May, and September, depletions are greater than consumptive use <br />credits will be covered with a 10.0 acre-feet contract for M & I water from the U.S. Bureau of <br />Reclamation Blue Mesa reservoirs. <br />Table 2 in Appendix C is a calculation of monthly and annual depletions for the initial <br />mining phase of the Warren Gravel Pit. During the mining phase of the Warren Gravel Pit, 4 <br />shares of Bona Fide Ditch water, or 0.55 cfr owned by GMI ,will be dedicated to augmentation of <br />out of priority depletions. For the months of June, July, and August, mining depletions will be <br />replaced with consumptive use credits from 20 acres taken out of irrigation. For the months of <br />April, May, and September, depletions not fully covered with consumptive use credits from 20 <br />acres taken out of irrigation under the Bona Fide Ditch will be additionally replaced with releases <br />made from the Blue Mesa reservoirs. Transit losses from the Blue Mesa reservoirs have been <br />calculated to total 0.89 acre-feet per year. <br />Plan for Augmentation: Post - Mining Phase <br />Once the Warren Gravel Pit has been mined out, the pit will be filled with ground water <br />and augmentation will be required to offset the out of priority evaporative depletions. It is <br />estimated that there will be 30 acres of exposed water surface area that will be augmented with 10 <br />shares, or 125.17 acre-fret, of Bona Fide ditch water and a contract for M & I water from the <br />U.S. Bureau of Reclamation Blue Mesa reservoirs in the amount of 33.0 acre-feet. <br />Table 3 in Appendix C is a calculation of evaporative depletions and Table 4 in Appendix <br />C is a calculation of evaporative depletions offset with consumptive use credits and releases made <br />from the Blue Mesa reservoirs. <br />Operation of Plan for Augmentation <br />During times of valid downstream calls, out of priority depletions will be augmented with <br />10 shares of the Bona Fide Ditch and a water service contract with the U.S. Bureau of <br />Reclamation for 33.0 acre-feet. The Plan for Augmentation will be operated at the discretion of <br />the Water Division 4 Division Engineer. <br />3 <br />