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- Geology[remove]1,250
- Mines and mineral resources110
- Geology, Stratigraphic69
- Geology, Structural43
- Cartes40
- Coal36
- Géologie33
- Maps29
- Groundwater24
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- Mapa geológico12
- Quaternary Geologic Period12
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- Sediments (Geology)9
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- Karte8
- Oil fields8
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