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Spacecraft nadir point: 45.7° N, 100.1° W

Photo center point: 45.5° N, 100.0° W

Nadir to Photo Center: South

Spacecraft Altitude: 169 nautical miles (313km)
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Image Caption: STS047-109-070 Lake Oahe and Oahe Dam, South Dakota, U.S.A. September 1992
Lake Oahe and Oahe Dam, completed in 1958 and one of the largest rolled-earth dams in the United States, are featured in this infrared, south-southeast-looking, low-oblique photograph. Stretching from near Pierre, South Dakota, to just south of Bismarck, North Dakota, Lake Oahe is approximately 250 miles (402 kilometers) long. Visible to the east of the lake are numerous agricultural fields, and to the west is a rolling grassland. The name Oahe comes from the old Oahe Indian Mission that was established in 1874 a short distance from the present dam. The reservoir was constructed as part of the Missouri River Reclamation Project to provide flood control, hydroelectric power, irrigation, and recreation.