Green River (Illinois)

The Green River is an 89-mile-long (143 km) tributary of the Rock River in northwestern Illinois in the United States. Via the Rock, it is part of the Mississippi River watershed. Much of the Green's course has been straightened and channelized.

Green River (Illinois)

The Green River is an 89-mile-long (143 km) tributary of the Rock River in northwestern Illinois in the United States. Via the Rock, it is part of the Mississippi River watershed. Much of the Green's course has been straightened and channelized.