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Show 50 THE ALL-AMERICAS' CANAL. minimum. Space will be provided for additional machinery so that power to the limit of the water supply can be developed if required. It is proposed, too, to provide space at this point for an auxiliary gas or steam plant for use in an emergency, so that if the output of electric energy should fail there will still be means at hand to generate the power needed for operating canal gates. At both points selected for the generation of power on the mesa there will be offtakes from the canal through which the canal water can be sent to the power houses. There will also at each of these points be a set of regulating gates across the canal, of suitable type in combination with a drop to the tailrace level. The installation for power development will provide for the utilization of a maximum of about 16,400 water horsepower at the mesa power station No. 1 and for 29,400 water horsepower at the mesa power station No. 2. The power that will thereby be made available for delivery as electric energy will vary with the flow of the canal up to a maximum of 10,000 horsepower at the first and about 17,500 horsepower at the second station. Whatever of this power may be required in connection with the pumping of water to the Yuma mesa and for canal operation or drainage pumps in both the Yuma and Imperial Valleys, should be held available for these purposes. The remainder should be marketed for the joint advantage of the Yuma project and the Imperial Irrigation District, provided, of course, that the Yuma project, or the United States for this project, has contributed to the- cost of the power installations. In any event under joint development the power required by the Yuma project and by the Imperial Irrigation District should be ^paid for at cost plus a reasonable percentage, preferably 10 per cent, and the determination of cost should be made by the Secretary of the Interior. The apportionment of cost and the division of profits should be made substantially as set forth in this report. This board approves the general intent of the agreement already entered into between the United States and the Imperial Irrigation District (see Appendix, p. 67), under which both cost of construction of power plants and the resulting benefits are to be shared and under which there will be reserved to the Yuma project, upon suitable participation in the cost of construction, a proportional share of profits determined by the relation which 8,500 water horsepower bears to the total water horsepower for which a power plant is installed. DISTRIBUTION OF COST AND OF RETURNS FROM POWER SALES. This board has given consideration to the question of how the cost of alterations at Laguna Dam, of canal enlargement and canal extension, is to be distributed to power and irrigation, and it here presents also its conclusions relating to the apportionment of power and profits from power sales to the Yuma project and to the Imperial Valley. |
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Original book: [State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Coachella Valley County Water District, Metropolitan Water District of Southern California, City of Los Angeles, California, City of San Diego, California, and County of San Diego, California, defendants, United States of America, State of Nevada, State of New Mexico, State of Utah, interveners] : California exhibits. |