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Geological SurveyData ReleaseDrinking Water ProjectGranitic WeatheringShallow Groundwater QualityWater-quality AssessmentArsenic in Drinking WaterYosemite National ParkDigital RecordersMajor AquiferPurification SystemsCentral United StatesEcological DynamicsDistance SamplingRemoval of ArsenicUrsus MaritimusInorganic ArsenicStrength ParametersLarge Grain SizeGlacial Erosion