 |
| |||
| Ausrichtung in die Teufe; Aufschluß einer neuen Sohle | |||
|
depth development : 3 phrases in 3 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| Ausrichtung in die Teufe; Aufschluß einer neuen Sohle | |||
|
depth development : 3 phrases in 3 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Natural resourses and wildlife conservation | 1 |