Last seen in:
- The Times - Concise - Times Concise No 9014
- New York Times - Aug 30 2022
- Canadiana - May 9 2022
- Newsday.com - Mar 26 2021
- Newsday.com - Nov 8 2020
- The Times - Concise - Times Concise No 8339
- L.A. Times Daily - Jun 16 2020
- The Washington Post - Jun 16 2020
- New York Times - Nov 24 2019
- Universal - Sep 14 2019
Related Clues:
- German industrial valley
- Essen's region
- Remscheid's region
- ___ Basin, German coal region
- River to the Moselle
- Where Wuppertal is
- See 70-Across
- European coal area
- German valley
- Its principal city is Essen
- Western Germany's river to the Rhine
- German/French river
- River of Germany
- Duisburg's locale
- German industrial center