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Subject
- Groundwater[remove]122
- Aquifers34
- Hydrogeology19
- Groundwater flow17
- Water quality17
- Water-supply17
- Water7
- Hydrology6
- Water table6
- Water resources development5
- Groundwater recharge3
- Pesticides3
- Soil pollution3
- Water levels3
- Wells3
- Coal mines and mining2
- Gas manufacture and works2
- Geochemistry2
- Geology2
- Geology, Stratigraphic2