Related Clues:
- German region occupied by France and Belgium from 1923-25
- River that passes by Essen, Germany
- European coal region
- Tributary of the Rhine
- River of Germany's steelmaking region
- River across the French/German border
- Coal-rich valley
- Historic mining region of Germany
- German region with lots of coal (anagram of SARA)
- German industrial district
- Coal-rich region of Germany
- River originating near Winterberg
- Mineral-rich European region
- Industrial area is rougher with characters regularly getting bumped off
- Traditional region of German heavy industry