Lake Oahe "a memorandum and an executive order asking USACE to expedite its consideration of the company’s application for an easement to start construction." The USACE subsequently "withdrew its call for the environmental study." On 7 February 2017, the USACE approved an easement through Lake Oahe. On 9 February 2017, the Cheyenne River Sioux filed the first legal challenge to the easement, citing an 1851 treaty and interference with the religious practices of the tribe. Lake Oahe Lake Oahe (oh-WAH'-hee) is a large reservoir behind Oahe Dam on the Missouri River; it begins in central South Dakota and continues north into North
Miguel Alemán Dam and Mixe families. There been a re-evaluation of the project's impact on the environment. The dam has a capacity of 8 million m (2,113,400,000 US gallons), from which 6.77 million m (1,788,500,000 US gallons) is available for power generation. The dam has a length of . The Temascal hydroelectric plant located east of the dam generates about 725 million kilowatts a year. Miguel Alemán Dam The Miguel Alemán Dam is on the Tonto River in the Papaloapan Region of Oaxaca state in southern Mexico, just upstream from the town of Temascal or Nuevo Soyaltepec, forming the Miguel Alemán Lake with