Rio Grande River, Cochite Dam, at Cochiti Pueblo, New Mexico. Cochiti Dam is one of the 10 largest earthen dams in the United States. It contains more than 65 million cubic feet of earth and rock, stretches more than five miles across, and rises about 250 feet above the Rio Grande. U.S. Army Corps of Engineers built Cochiti Reservoir between 1965 and 1975. The lake inundated sacred lands as well as fields the tribe had tended for centuries.
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