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South Dakota's mountains are called the Black Hills. They are located in western South Dakota and eastern Wyoming.

Most of South Dakota is part of the Great Plains region.

South Dakota has many rivers. The largest river in South Dakota is the Missouri River. Other rivers in South Dakota include the Big Sioux River, the Grand River, the Little Missouri River, the Cheyenne River, the Bad River, the White River, the James River, and the Vermillion River.

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10y ago

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