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David L. Nelms has written:
'Hydrogeology of, and quality and recharge ages of ground water in Prince William County, Virginia, 1990-91' -- subject(s): Water levels, Quality, Groundwater, Wells
'Preliminary assessment of the hydrogeology and groundwater availability in the metamorphic and siliciclastic fractured-rock aquifer systems of Warren County, Virginia' -- subject(s): Hydrogeology, Groundwater, Aquifers
'Apparent chlorofluorocarbon age of ground water of the shallow aquifer system, Naval Weapons Station Yorktown, Yorktown, Virginia' -- subject(s): Aquifers, Chlorofluorocarbons, Environmental aspects, Environmental aspects of Chlorofluorocarbons, Groundwater flow
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