River, southeastern Kansas and northeastern Oklahoma, U.S. It rises in east-central Kansas and flows south across the Oklahoma border, emptying into the Arkansas River northeast of Muskogee, Okla.
It is 350 mi (560 km) long.
River, southeastern Kansas and northeastern Oklahoma, U.S. It rises in east-central Kansas and flows south across the Oklahoma border, emptying into the Arkansas River northeast of Muskogee, Okla.
It is 350 mi (560 km) long.
Britannica Concise Encyclopedia. Краткая энциклопедия Британика. 2012