- Knife River
"This article is about the river in North Dakota. For other meanings, see
Knife River (disambiguation)"
The Knife River is a tributary of the
Missouri River, approximately 120 mi (193 km) long, in North Dakotain the United States.
It rises in west central North Dakota, in the Killdeer Mountains in Billings County. It flows east, and is joined by Spring Creek near Beulah. It joins the Missouri north of Stanton, at the
Knife River Indian Villages National Historic Site.
List of North Dakota rivers
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