Montana, and into South Dakota. In South Dakota, it flows northward through the Badlands into North Dakota, crossing the Little Missouri National Grassland...

Little Missouri River can refer to two rivers in the United States: Little Missouri River (Arkansas) in Arkansas Little Missouri River (North Dakota) in...

The Little Muddy River is a tributary of the Missouri River, approximately 45 miles (72 km) long, in northwestern North Dakota in the United States. It...

eastern Montana, the Missouri receives the Poplar River from the north before crossing into North Dakota where the Yellowstone River, its greatest tributary...

Little Missouri National Grassland is a National Grassland located in western North Dakota, United States. At 1,028,051 acres (416,037 ha), it is the largest...

Heart River is a tributary of the Missouri River, approximately 180 miles (290 km) long, in western North Dakota, United States. The Heart River rises...

narrow segments trend north–south. Starting in the state of Montana, the Missouri River Valley travels through North Dakota, South Dakota, forms the shared...

of Missouri River Little Missouri River Little Muddy Creek Little Muddy River Long Creek Maple River (North Dakota), tributary of Sheyenne River Maple...

on the west line of North Dakota. Its west boundary line abuts the east boundary line of the state of Montana. The Missouri River flows easterly along...

of the Little Missouri badlands, which has a greater abundance of aspen forests and wildlife than is typically found in southwestern North Dakota. The Killdeer...