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<br />0') <br />00 <br />c:.c <br /> <br />(,,:) <br />c <br />~ as documentation of the changes. The sites would be at se,eps, large <br /> <br />phreatophytic growths, deteriorated structures, and locati,ons of proposed <br /> <br />structures. Monthly color photographs would be made befor.., during and after <br /> <br />construction, from the same spot on the ground, on the sam,. date, and with <br /> <br />approximately the same sun angle. <br /> <br />Additional monitoring proposals have been discussed but later dismissed. <br /> <br />In particular, the Grand Valley Salinity Coordinating Committee (November 1, <br /> <br />1979) decided it would not be feasible to try to separate lIll the effects of <br /> <br />on-farm and non-farm improvements. The USDA Science and Education <br /> <br />Administration - Agricultural Research and Colorado State University have <br /> <br />studied on-farm efficiency, uniformity, deep percolation, leaching <br /> <br />requirements, soil salinity, and irrigation practices. On-.going studies will <br /> <br />provide more information on optimum on-farm water managemerlt. An attempt will <br /> <br />be made to determine some of the effects of the on-farm program through a <br /> <br />cooperative study between the Water and Power Resources Service, the Soil <br /> <br />Conservation Service, the Agricultural Stabilization and Conservation Service, <br /> <br />the USDA Science and Education Administration - Agricultural Research, and <br /> <br />Colorado State University. Colorado State University will conduct this study <br /> <br />with equipment, peraonnel, and monetary support of the other agencies. <br /> <br />Presentation and Analysis of Data <br /> <br />Well Data Files <br /> <br />A large portion of the Stage One data was stored on a data base. This <br /> <br />data base has been dropped by the computer company. These data are presently <br /> <br />being converted to list directed data files. <br /> <br />The advantage of using listed <br /> <br />directed files will be speed and ease of data extraction and manipulation. <br /> <br />Data presentation and analysis will be facilitated by use of a plotter. <br /> <br />28 <br />