| Answer | Crossword Clue |
|---|---|
| OSKOL | Red river in Black Earth area. |
| OREL | Russian city in Black Earth area. |
| OREL | City in the Black Earth area. |
| OREL | City in Black Earth area of Russia. |
| OREL | City of Black Earth area. |
| OREL | Russian city, Black Earth area. |
| OREL | Part of the Black Earth area. |
