 |
| |||
| restoration of coal mined lands; rehabilitation of coal mined areas | |||
| восстановление горнопромышленных районов: 2 phrases in 1 subject |
| Natural resourses and wildlife conservation | 2 |
|
| |||
| restoration of coal mined lands; rehabilitation of coal mined areas | |||
| восстановление горнопромышленных районов: 2 phrases in 1 subject |
| Natural resourses and wildlife conservation | 2 |