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<br />The whole problem in the salinity of Colo- <br />rado River water delivered to Mexico started <br />in 1961, late in the fall of 1961, when the <br />Wellton-Mohawk Project started pumping drainage <br />water from wells into the Colorado River. This <br />first shaded red area you see (pointing to the I <br />map) is the Wellton-Mohawk Project along the <br />Gila River in Arizona. The upper reaches of it <br />are somewhere in the range of 80 to 90 miles <br />upstream from the City of Yuma. These other <br />red areas in here are component parts of the <br />Yuma project that take water from the Colorado <br />River although it is adjacent to and straddles <br />the Gila River in Arizona. The brown area up <br />here is the Imperial Irrigation District in the <br />Imperial Valley of California. The green in <br />this area is the area in Mexico that is subject <br />to irrigation by the Colorado River. <br /> <br />Certainly the Mexicans are as remiss as <br />some of us feel that some of the United states <br />interests are in this particular problem. The <br />Mexicans do not have adequate drainage facili- <br />ties in their irrigated area. They are com- <br />pletely inadequate. The reason for putting this <br />Imperial Irrigation District on here is to give <br />you an idea as to how inadequate they are. At <br />this time, for the irrigation of approximately <br />400,000 acres of land in Mexico, they have 900 <br />miles of open drain to drain the area. The <br />Imperial Irrigation District in California, with <br />soils very similar to the soils in Mexico, have <br />1500 miles of open drain, they have 8,000 miles <br />of tile drain, to irrigate 276,000 acres. This. <br />is the drainage that they must have in order to <br />maintain sustained production in the Imperial <br />valley in California. So certainly the Mexicans <br />cannot maintain sustained production in Mexico <br />with the inadequate drainage they have. The I <br />Mexican technicians recognize this and they have <br />a program proposed to drain the Mexicali Valley <br />in Mexico that will run to about $80 million. - . <br />This is going to take several years but they do <br />have this proposal so that their drainage can <br />be adequate. <br /> <br />The Mexicans cannot. maintain, in our opinion, <br />