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natural deposit | |||
natural occurrence |
естественное залегание: 32 phrases in 12 subjects |
Caspian | 1 |
Construction | 4 |
Engineering geology | 1 |
General | 1 |
Geology | 2 |
Geophysics | 9 |
Gold mining | 1 |
Makarov | 1 |
Mining | 3 |
Oil / petroleum | 5 |
Oil and gas | 3 |
Road works | 1 |