 |
| |||
| groundwater dam | |||
| ponding of ground water (I. Havkin) | |||
| rising of ground waters | |||
| подпор грунтовых вод: 2 phrases in 1 subject |
| Natural resourses and wildlife conservation | 2 |
|
| |||
| groundwater dam | |||
| ponding of ground water (I. Havkin) | |||
| rising of ground waters | |||
| подпор грунтовых вод: 2 phrases in 1 subject |
| Natural resourses and wildlife conservation | 2 |