What are three major rivers in South Dakota?

1. Missouri River: The longest river in North America, the Missouri River, flows through South Dakota from the north to the south. It forms the eastern boundary of the state and offers recreational activities such as boating, fishing, and camping.

2. James River: The James River is a significant river that originates in eastern North Dakota and flows south into South Dakota. It contributes to the state's agricultural industry, providing water for irrigation and supporting wildlife habitats.

3. Big Sioux River: The Big Sioux River forms part of the border between South Dakota and Iowa. It flows through the eastern portion of the state and empties into the Missouri River. It offers recreational opportunities, including fishing and scenic views.