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RT @USGS_Pubs: Groundwater quality in the glacial aquifer system, United States https://t.co/AgAmSiItIX #GWAW2018 https://t.co/aNPJqpinN1
RT @USGS_Pubs: Groundwater quality in the glacial aquifer system, United States https://t.co/AgAmSiItIX #GWAW2018 https://t.co/aNPJqpinN1
RT @USGS_Pubs: Groundwater quality in the glacial aquifer system, United States https://t.co/AgAmSiItIX #GWAW2018 https://t.co/aNPJqpinN1
RT @USGS_Pubs: Groundwater quality in the glacial aquifer system, United States https://t.co/AgAmSiItIX #GWAW2018 https://t.co/aNPJqpinN1
RT @USGS_Pubs: Groundwater quality in the glacial aquifer system, United States https://t.co/AgAmSiItIX #GWAW2018 https://t.co/aNPJqpinN1