|
mining activities : 6 phrases in 5 subjects |
| Geology | 1 |
| Law | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 1 |
| Trade classification | 2 |
|
mining activities : 6 phrases in 5 subjects |
| Geology | 1 |
| Law | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 1 |
| Trade classification | 2 |