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<br />river system by the year 2000. The following illustration shows his- <br /> <br />torica1 salinity levels and projected levels with and without the CRWQIP. <br /> <br /> <br />Uncompahgre Project Facilities <br /> <br />The Uncompahgre Project irrigation delivery systems, constructed in <br /> <br />the early 1900's, were cut directly into the saline soils and rock with- <br /> <br />out benefit of lining. The nature and condition of the deteriorated <br /> <br />facilities have resulted in conveyance system losses. These losses in <br /> <br />turn contribute to the salt loading of the Uncompahgre River and, conse- <br /> <br />quently, the Gunnison and Colorado Rivers. <br /> <br />The Lower Gunnison Basin Unit investigation centered on the distri- <br /> <br />but ion system of the Uncompahgre Project. Unlined canals and laterals, <br /> <br />deep percolation, and onfarm facilities all contribute to the 350,000 tons <br /> <br />of salt loading of the Uncompahgre River. Incremental amounts of salt <br /> <br />from each source will be addressed in detail in the feasibility report. <br /> <br />15 <br /> <br />001025 <br />