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<br />033156 <br /> <br />, <br /> <br />U. S, DEPARTMENT OF AGRICULTURE <br /> <br />Semi-Annual Report <br /> <br />Pacific Southwest Inter-Agency Committee <br /> <br />July 1, 1980 - December 31, 1980 <br /> <br />SOIL CONSERVATION SERVICE <br /> <br />RIVER BASIN PLANNING <br /> <br />ARIZONA: <br /> <br />General <br /> <br />The title of the planning staff has been changed from <br />River Basin-Watershed Planning Staff to Water Resources <br />Planning Staff, This change resulted from staff reorgani- <br />zation brought about by the formation of multi-state <br />planning staffs to handle watershed activities, River <br />Basin planning activities have not been changed, <br /> <br />Little Colorado River Basin Cooperative Study <br /> <br />The study involves the preparation of 12 working papers <br />and a summary report, All of the papers are essentially <br />completed except for Erosion and Sediment. A total of 35 <br />maps will be published, of which 34 have been completed, <br />The format of the final report has not been decided, <br />however, the individual working papers will probably be <br />published separately or in some combination instead of <br />one large volume, The completion of the study has been <br />delayed until spring, 1981, because of staff changes, <br /> <br />Colorado River Indian Reservation Cooperative Study <br /> <br />The collection of basic resource data and the soil survey <br />continues. <br /> <br />Data on the amount of irrigation water applied at 20 <br />on-farm weirs and recorder sites is being collected, <br />Weirs and recorders to measure project spills have been <br />installed at 30 spill sites, The Water Conservation Lab, <br />SEA, is using their digitizer and computer facilities to <br />compute the amount of water from the graphs, <br /> <br />Arizona State University has completed, under contract, <br />an inventory of recreational resources, <br /> <br />This study is currently authorized and funded as a Level B <br />Study, The Tribe has requested an implementaion study, <br />The possibilities of changing to a Level C Study are <br />being explored, <br /> <br />1 <br /> <br />C-21 <br />