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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />, <br /> <br />"I <br />i,. <br />". <br />, <br /> <br />I <br />II <br />'. <br />. <br /> <br />3692 <br /> <br />McElmo Creek Unit (SCS) - Colorado <br /> <br />The McElmo Creek Unit is. located in southwestern Colorado. <br />Inefficient irrigation conveyance systems and on-farm management <br />systems result in .approximately 115,000 tons of salt annually <br />reaching the San Juan River from McElmo Creek. The San Juan, in <br />turn, flows into the Colorado River. The Soil Conservation <br />Service is responsible for developing an on-farm program for <br />salinity reduction on this unit. <br /> <br />The study is currently in only very preliminary stages. In <br />house estimates for irrigation systems improvements project a <br />potential for reducing salt concentrations at Imperial Dam by 5.0 <br />mg/L at a cost of $400,000 mg/L/year. <br /> <br />DRS/gl <br /> <br />12/9/61 <br /> <br />-25- <br />