Related Clues:
- River in WWI fighting
- WWI battle setting
- River through Flanders
- River in France and Belgium
- River through France and Belgium
- River of northern France
- River in northern France
- Important river in WWI
- River deliberately flooded in W.W. I
- River near Nieuwpoort
- Certain Flanders river
- River in a 1914 battle
- River that begins in Nord
- Northern French river
- Scene of WWI fighting