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Subject
- Groundwater[remove]31
- Water quality20
- Aquifers5
- Water-supply5
- Land use4
- Water2
- Water table2
- Wells2
- Acid mine drainage1
- Coastal plains1
- Gold mines and mining1
- Groundwater recharge1
- Hydrogeology1
- Irrigation1
- Nutrient pollution of water1
- Organic water pollutants1
- Pesticides1
- Rice1
- Stream measurements1
- Water balance (Hydrology)1