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- Aquifers[remove]598
- Groundwater351
- Hydrogeology127
- Groundwater flow112
- Water quality67
- Water table48
- Water-supply31
- Geology, Stratigraphic24
- Water levels22
- Hydrology20
- Hydraulics12
- Groundwater recharge11
- Geology10
- Saltwater encroachment10
- Geophysical well logging9
- Water8
- Water resources development8
- Wells8
- Artificial groundwater recharge7
- Drift7