Grand River (South Dakota)
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The Grand River is a tributary of the Missouri River in North Dakota and South Dakota in the United States. The length of the combined branch is 110 mi (177 km). With its longest fork, its length is approximately 200 mi (320 km).
It is formed by the confluence of the North Fork (which rises in North Dakota) and the longer South Fork (which rises in South Dakota) in northwestern South Dakota near Shadehill in Perkins County, near several parcels of the Grand River National Grassland. It flows east, through the Standing Rock Indian Reservation and joins the Missouri in Lake Oahe, approximately 10 mi (16 km) northwest of Mobridge. The lower 15 mi (25 km) of the river form an arm of the Lake Oahe reservoir.
The forks of the Grand was the site of the famous 1823 attack by a grizzly bear on frontiersman Hugh Glass.
See also
References
- Grand River and certain tributaries' uses at SD Legislative Research Council
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