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Select Groundwater-Quality and Quality-Control Data from the National...
Groundwater samples were collected and analyzed from 417 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality... -
Select Groundwater-Quality and Quality-Control Data from the National...
Groundwater samples were collected and analyzed from 417 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality...