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Subject
- Geology137
- Sediments (Geology)15
- Groundwater13
- Mines and mineral resources11
- Geology, Structural8
- Population8
- Gravity anomalies7
- Land use7
- Maps7
- Lunar geology6
- Economic conditions4
- Geology, Stratigraphic4
- Nautical charts4
- Navigation4
- Phytogeography4
- Water-supply4
- Administrative and political divisions3
- Anomalies gravimétriques3
- Cartes3
- Coal3
