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Show 36 perial Dam is in the United States and it is operated and maintained by the Department of the Interior.20 7. Laguna Dam. This structure is located on the main channel of the Colorado River 308 miles below Hoover Dam, 5 miles below Imperial Dam and approximately 13 miles above Yuma, Arizona. It was formerly used as the diversion point for the Yuma and Gila Reclamation Projects. The middle of the channel at its site is the common boundary between Arizona and California. Laguna Dam is a rock-filled weir with a concrete surface. Its structural height is 43 feet and its hydraulic height is 10 feet. It provides no appreciable storage capacity. Construction was initiated on July 19, 1905, and water was first diverted on March 14, 1910. Although the major portion of the construction cost of $1,600,000 has been repaid to the United States by the defendants Coachella Valley County Water District, Imperial Irrigation District and the City of San Diego, title is in the United States and it is operated and maintained by the Department of the Interior.21 8. Morelos Dam. Located just below Pilot Knob, between Arizona and Mexico, in the limitrophe section of the River, this structure was built under the Mexican water treaty and acts as a diversion point for Mexican works.22 It provides no appreciable storage capacity. 9. Ail-American Canal System. The canal has its head-works at the California end of Imperial Dam.23 These headworks discharge Colorado River water into a concrete 20Tr. 2361-2365, 7767-7763 (Steenbergen) (Dowd); Ariz. Ex. 1000, p. 22. 21Ariz. Ex. 1000, pp. 22-23. 22Tr. 590, 7852-7853 (Akin) (Dowd). 23Tr. 584 (Akin). |
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Original Report: State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Imperial 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 |