01698nam 2200421 450 991071693360332120211117150201.0(CKB)5470000002526862(OCoLC)1285527081(EXLCZ)99547000000252686220211117d2010 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierEstimates of tracer-based piston-flow ages of groundwater from selected sites National Water-Quality Assessment Program, 1992-2005 /by Stephen R. Hinkle [and six others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2010.1 online resource (viii, 90 pages) illustrations (some color), color map +tablesScientific investigations report ;2010-5229"National Water-Quality Assessment Program."Includes bibliographical references.Estimates of tracer-based piston-flow ages of groundwater from selected sites Groundwater flowUnited StatesGroundwaterUnited StatesDatingHeat as a groundwater tracerUnited StatesGroundwater flowGroundwaterDating.Heat as a groundwater tracerHinkle Stephen R.1396156Geological Survey (U.S.),National Water-Quality Assessment Program (U.S.)GPOGPOBOOK9910716933603321Estimates of tracer-based piston-flow ages of groundwater from selected sites3489605UNINA