Related Clues:
- Belgian border river
- Amiens' river
- French 2 down
- Thousand involved in quite a battle
- Mayhem mostly engulfing retreat in battle site
- River that rises in French Flanders
- French WWI battle site
- French battle site of WWI
- Millions invested in a little river of north-eastern France
- North sea feeder
- Wine waiters lose half the battle
- WWI battle river
- Current one sitting on the right avoids soup
- River flooded in W.W. I to thwart the Germans
- WWI battle river through Flanders