Related Clues:
- Region in western Germany
- Major industrial region of north-west Germany
- Alsace/Lorraine separator
- Industrial area of western Germany
- ___ Basin (coal-rich German region)
- Major industrial region of Germany
- Germany's largest urban region
- Chief industrial region in Germany
- German coal area
- River and state in Germany
- German urban region
- Essen river
- German coal district
- Coalmining area originally repressed under harsh rule
- River rising, unusually heavy rain primarily the cause