The combined river flows southeast across northeast Texas and is joined the river flows past Mineola, Gladewater, and Longview, the largest city on the river to southwest of Shreveport at the 32nd parallel, where it establishes the Texas-Louisiana boundary.
The combined river flows southeast across northeast Texas. The combined river is joined the river flows past Mineola, Gladewater, and Longview, the largest city on the river to southwest of Shreveport at the 32nd parallel. It establishes the Texas-Louisiana boundary.