| Answer | Crossword Clue |
|---|---|
| SIL | Coal region of Poland: Abbr. |
| SILESIA | Industrial region of Poland |
| SILESIA | Region in Poland and Czechoslovakia. |
| SILESIA | Region in central Europe, now mostly in Poland. |
| SAAR | Coal region of Europe. |
| SAAR | Coal region of Germany |
| DONETS | Region of Russian coal fields. |
| SILESIA | Coal region of central Europe |
| SILESIA | Coal-rich region of Europe |
| SAAR | Coal-rich region of Germany |
| SAAR | Third greatest coal region of Europe. |
| SILESIA | Coal-rich region of central Europe |
