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<br />MAY 1982 <br /> <br />Montezuma Valley Irrigation Company's distribution system being evaluated by <br /> <br />the Bureau of Reclamation. <br /> <br />The size of stream in each furrow and the duration of each irrigation <br /> <br />were analyzed as the primary managment variables affecting irrigation. <br /> <br />Physical improvements in existing irrigation systems were analyzed to <br /> <br />determine their effect on water use and the return flows that deliver salt <br /> <br />to the Colorado River system. Options for physical improvements consist of <br /> <br />ditch lining or gated pipe or pipelines including semi-automated timing <br /> <br />devices, and changing to drip or sprinkler methods of irrigation. <br /> <br />Study Coordination <br /> <br />Coordination of study activities leading to analysis of the overall <br /> <br />salt loading problem was accomplished through a Multi-Objective Planning <br /> <br /> <br />Team under leadership of the Bureau of Reclamation (See Figure II-I). The <br /> <br /> <br />Team directed the activities of several sub-teams comprised of personnel of <br /> <br /> <br />various disciplines from several agencies of government and other interested <br /> <br />organizations. Periodic meetings of the Team were held where progress <br /> <br />reports were given, results of investigations by the sub-teams were shared <br /> <br />and areas of common concern for the overall study were identified. <br /> <br />Participants in this team effort included personnel from the Bureau of <br /> <br />Reclamation, Bureau of Land Management, Soil Conservation Service, U.S. Fish <br /> <br />and Wildlife Service, U.S. Geological Survey, Colorado Division of <br /> <br />Wildlife, Colorado Water Conservation Board, Colorado Department of Health <br /> <br />and the Dolores County Soil Conservation District. <br /> <br />001S30 <br /> <br />II-4 <br />