Republican, river, c.420 mi (680 km) long, formed in S Nebr. by the junction of the North Fork and Arikaree rivers. It is joined by the South Fork at Benkelman and flows E across the rolling grasslands of Nebraska and SE across Kansas to join the Smoky Hill and form the Kansas River at Junction City. Its broad channel traverses a rich agricultural region. The river is included in the Missouri River basin project. Many dams and reservoirs have been built for flood control, irrigation, and power.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.