What are the main geographical features located in the great plains?

The Great Plains are characterized by vast flatlands and gentle rolling hills, primarily composed of grasslands and prairies. This region is marked by significant features such as the Missouri River, the Arkansas River, and the Canadian River, which flow through it. Additionally, the area includes the Sand Hills of Nebraska, the Flint Hills of Kansas, and various plateaus and buttes. The Great Plains are also known for their fertile soil, making them ideal for agriculture.