and on other projects, including Indian projects in Arizona, California, and Nevada which can utilize water by diversion from the mainstream or which can utilize other water which can be developed either directly or through exchange to meet water deficiencies in the area. Similar priority shall in planning be given to projects in areas of origin of import supplies and, subject to appropriate modifications, relating to disposition of the conserved water, of existing contracts with the United States, to completion of feasibility reports on the lining of the All-American Canal system. SEC. 5. PACIFIC SOUTHWEST REGIONAL WATER COMMISSION. (a) There is hereby created the Pacific Southwest Regional Water Commission (hereinafter referred to as the...