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
Norris Dam State Park the Tennessee Valley Authority in the early 1930s. The Clinch River flows southwestward for from its source in southwestern Virginia to its mouth along the Tennessee River near Kingston. Norris Dam is located just over upstream from the mouth of the Clinch, near the Anderson-Campbell county line. Cove Creek, which flows down from its source in the Cumberland Mountains roughly to the northwest, empties into the Clinch approximately north of Norris Dam. The Powell River, which also rises in southwestern Virginia, empties into the Clinch approximately upstream from Norris Dam. Norris Lake spans a stretch of the Clinch from the