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~- SUMMARY AND CONCLUSIONS ?, 1. The terms of the treaty are fair and equitable to eaoh oountry. They oorreot for all time an intolerable oondition that was developing with respeot to the use of the waters of the international streams. .~ 2. The treaty, if ratified, will remove a oloud from future development in the United States. With the amount of water to be allooated to Mexioo remain- ing unoertain, development of large projeots in the United States for the use of substantial quantities of Lower Rio Grande and Colorado River waters was hazard- ous, sinoe the water supply for suoh projeots oould be adversely affeoted by the terms of a treaty negotiated in the future allooating water to Mexioo. 3. The terms of the treaty in respeot to the allooation of the waters of the Lower Rio Grande, together with the oonstruotion and operation of the inter- national storage reservoirs provided for by the treaty, will insure an adequate water supply for the present development in the United States and will permit a substantial inorease in the irrigated area. The reservoirs also will afford a large degree of flood, silt and salinity oontrol and will permit the generation of a substantial amount of hydro-eleotrio energy. ~ . 4. The terms of the treaty with respeot to the allooation of waters of the Colorado River are in aooordanoe with the provisions of the Colorado River Com- paot, agreed to by the seven Colorado River Basin States. This oompaot provides for the apportionment of oertain water for the use of Mexioo, should a treaty be negotiated providing for an allooation of water to Mexioo. 5. The terms of the treaty with respeot to the Colorado River are more favorable than the formula whioh was approved at Santa Fe in April, 1943 by the majority of the Committee of Sixteen of the Colorado River Basin. 6. More than suffioient water will be available from the Colorado River system to supply all usee in the United States and Mexioo for many years be- yond the time that the oosts of present oonstruoted works in the Colorado River Basin, inoluding Boulder Dam, AII-Amerioan Canal, and the Los Angeles Aqueduot, are amortized. It is poesible that all praotioable development in the United States oan be made without oonfliot with the uses of water by Mexioo under the terms of the treaty. ~ 7. It is estimated that under ultimate oonditions of development in the United States only 375,000 aore-feet, to 500,000-aore-feet per annum will be required from water above Imperial Dam to make the eoheduled deliveries to Mexioo provided for by the treaty. The balanoe of the delivery, it is estimated, will be made from return flow and desilting water reaohing the river below Imperial Dam. . ~ 8. The terms of the treaty will not adversely effeot the use of the water apportioned to the Upper and Lower Basins in the United States by Artiole !It (a) and (b) of the ColoradO River Compaot, namely, 16,000,000 aore-feet. In addition to the 16,000,000 aore-feet some water will remain for use in the United ............