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Subject
- Aquifers[remove]1,312
- Groundwater661
- Hydrogeology256
- Groundwater flow239
- Water table142
- Water quality134
- Water-supply93
- Geology, Stratigraphic49
- Water levels46
- Hydrology37
- Groundwater recharge32
- Geology28
- Water chemistry25
- National Regional Aquifer Systems Analysis Program (U.S.)24
- Water22
- Wells22
- Water resources development19
- Saltwater encroachment18
- Hydraulics16
- Artificial groundwater recharge14