illinois river

A major principal tributary of the Mississippi River located in the state of Illinois in the Midwestern United States, extending approximately 273 miles and forming a vital commercial inland waterway linking the Great Lakes to the Mississippi River.

A 145-mile-long tributary of the Arkansas River that rises in the Ozark Mountains of northwestern Arkansas and flows southwestward into eastern Oklahoma in the south-central United States.

A 56-mile-long tributary of the Rogue River flowing through the Klamath Mountains in southwestern Oregon and northern California in the western United States.