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<br />irrigation season on approximately 11,450 acres in Grand <br />Valley and lower Gunnison basin areas. <br /> <br />B. Purpose of IMS is to optimize water management to improve <br />efficiency of water use and thereby reduce salt loading from <br />irrigation lands. <br /> <br />C. Five basins, tributary directly or indirectly to the Colorado I <br />River, categorized as major salinity contributors to river <br />from diffuse sources. One of these basins is McElmo Creek <br />located in Montezuma Valley in southwestern Colorado. <br /> <br />D. Initial efforts being directed towards locating areas of <br />greatest salt loading. Involves data collection and analysis, <br />research into land and channel process by which salt loading <br />takes place and evaluation of means of disposing of selectively <br />withdrawn waters. <br /> <br />E. Further studies will be made to determine if other methods <br />such as WSI and IMS would be effective in reducing salt <br />loading within the basin. <br /> <br />F. Negotiations essentially completed to extend contract with <br />agricultural research service through June 1977. <br /> <br />1. Contract is joint effort covering research on methods of <br />alleviating salt load in irrigation water return flow <br />within Colorado River Basin. <br /> <br />2. Extension of contract is essential to attain objectives <br />and" provide-Bureau with" requisite' supporting technolggy <br />and data to better implement IMS and WSI in Grand Valley <br />and elsewhere. <br /> <br />3. Bureau's share of extension through June 1977 - $204,722. <br /> <br />Dominguez Reservoir and Uncompahgre Improvement Projects <br /> <br />A. Multiobjective planning teams have been organized. Studies <br />have been initiated collecting resource inventory data and <br />problem and needs of area. <br /> <br />B. Public meetings being held. Proposed feasibility reports <br />scheduled for September 1977 and December 1976, respectively. <br /> <br />Upper Colorado Resource Study <br /> <br />A. Feasibility investigations scheduled to be initiated in FY <br />1976. Proposed feasibility report scheduled January 1977. <br /> <br />B. Study envisioned as comprehensive investigation of development <br />plans primarily of water resources of White and Yampa Rivers. <br /> <br />I <br /> <br />-6- <br />