 |
| artesian wells: 26 phrases in 9 subjects |
| Construction | 2 |
| General | 5 |
| Geology | 5 |
| Hydraulic engineering | 1 |
| Hydrology | 1 |
| Makarov | 3 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 2 |
| Water resources | 6 |
|
| artesian wells: 26 phrases in 9 subjects |
| Construction | 2 |
| General | 5 |
| Geology | 5 |
| Hydraulic engineering | 1 |
| Hydrology | 1 |
| Makarov | 3 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 2 |
| Water resources | 6 |