Tributaries that want to enter the main channel are not allowed because of the levee, and instead either enter the backswamp or form a yazoo stream which will enter the larger river further downstream.
Tributaries are not allowed because of the levee. These Tributaries want to enter the main channel. Tributaries are not either enter the backswamp or form a yazoo stream. This yazoo stream will enter the larger river further downstream. These Tributaries want to enter the main channel.