 |
| |||
| область поднятия | |||
| elevation area: 9 phrases in 5 subjects |
| Hydrology | 4 |
| Natural resourses and wildlife conservation | 1 |
| Surveying | 1 |
| Technology | 1 |
| Water resources | 2 |
|
| |||
| область поднятия | |||
| elevation area: 9 phrases in 5 subjects |
| Hydrology | 4 |
| Natural resourses and wildlife conservation | 1 |
| Surveying | 1 |
| Technology | 1 |
| Water resources | 2 |