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Subject
- Groundwater246
- Aquifers188
- Water table50
- Hydrogeology37
- Water quality31
- Geology, Stratigraphic27
- Hydrology25
- Water-supply23
- Groundwater flow12
- Stream measurements12
- Saltwater encroachment11
- Flood forecasting10
- Outcrops (Geology)10
- Floods9
- Volcanic ash, tuff, etc9
- Water levels9
- Granite8
- Water consumption8
- Water use8
- Geology, Structural7