 |
| |||
| lowering of water table | |||
| drawdown | |||
| abaissement du niveau d'eau: 4 phrases in 2 subjects |
| Life sciences | 1 |
| Natural resourses and wildlife conservation | 3 |
|
| |||
| lowering of water table | |||
| drawdown | |||
| abaissement du niveau d'eau: 4 phrases in 2 subjects |
| Life sciences | 1 |
| Natural resourses and wildlife conservation | 3 |