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<br />- <br /> <br />.' <br /> <br />. , <br /> <br />nf'lflS~9 <br /> <br />< .. <br />4 <br />... <br /> <br />Water salvage <br />amounts <br /> <br />Water salvage <br />sources <br /> <br />Water salvage <br />area <br /> <br />Number of salvage <br />wells <br /> <br />Conveyance channel <br /> <br />. <br /> <br />. <br /> <br />Closed Basin Summary Design Changes, March 1980 <br /> <br />House Document 91-369 <br />(primarily, 1963 plans) <br /> <br />100,800 ac-ft/yr <br /> <br />about 15% surface water <br />about 85% ground water <br /> <br />108,600 acres <br /> <br />136 <br /> <br />Main and East conveyance <br />channels, about 57 miles <br />long, with compacted earth <br />lining <br /> <br />Rio Grande rectification <br />below channel outfall <br /> <br />San Luis Lake <br />( enhancement) <br /> <br />In 1972 authorization, <br />but not cost cd in 1963 <br />and 1970 plans <br /> <br />Connecting channel from <br />Main conveyance channel <br /> <br />Mishak National Wildlife <br />Re fuge (NWR) <br />(mitigat ion) <br /> <br />Alamosa NWR <br />(mitigation) <br /> <br />Full 13,800 acre refuge <br />establishment, supplied <br />by surface water <br />(trade ground/surface <br />water) <br /> <br />5,300 ac-ft/yr supply; <br />eastern channel alinement <br />through refuge <br /> <br />Laterals from wells to <br />conveyance channel <br /> <br />Powerlines <br /> <br />Open ditches <br /> <br />All overhead <br /> <br />6 <br /> <br />.--'..'~- .~~_.._._.~'. <br /> <br />1979 Plans <br />(Nov. 1979 DPR) <br /> <br />100,600 ac-ft/yr <br /> <br />all ground water <br /> <br />130 000 acres 1/ <br />(19i2 water rights <br />application) <br /> <br />152 1/ <br /> <br />Realined for single <br />conveyance channel, <br />about 42 miles long, <br />unlined 1/ <br /> <br />Proposed unnecessary <br />and not costed <br /> <br />Route ground water <br />directly from wells, <br />including through <br />Head Lake; provide <br />flow-through system <br /> <br />Nil surface water; <br /> <br />this mitigation <br /> <br />feature to be sized <br /> <br />or determined after <br /> <br />project division <br /> <br />impacts reevaluated <br />i/ <br /> <br />i <br />Same supply; north- <br />western channel <br />alinement through <br />refuge <br /> <br />Buried pipeline with <br />I surge controls <br />, <br /> <br />Buried within well- <br />fields; overhead <br />trunklines <br /> <br />I. <br />