| Answer | Crossword Clue |
|---|---|
| SAAR | Mining region of Europe. |
| SAAR | Mining region in Europe. |
| RUHR | Historic mining region of Germany |
| RUHR | German mining region |
| RUHR | Important mining region. |
| SAAR | Rich mining region. |
| SAAR | Coal mining region. |
| RUHR | German mining region. |
| SAAR | European coal-mining region |
| RUHR | Mining region, including Essen. |
| SAAR | Great mining and industrial region. |
| SAAR | French-German river, flowing through coal-mining region. |
