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Subject
- Hydrogeology[remove]558
- Groundwater266
- Groundwater flow146
- Aquifers127
- Water quality89
- Water-supply32
- Water table25
- Geology15
- Water levels14
- Wells14
- Hazardous waste sites12
- Saltwater encroachment12
- Water12
- Hydraulics11
- Radioactive waste disposal in the ground11
- Sanitary landfills10
- Water withdrawals10
- Geochemistry9
- Water chemistry9
- Geology, Stratigraphic8