01326oam 2200469Ia 450 991069293190332120150324143629.0(CKB)5470000002358178ocm38228015(OCoLC)38228015(EXLCZ)99547000000235817819980120d1994 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierNational Water-Quality Assessment Program[electronic resource] /by P.P. Leahy and T.H. Thompson[Reston, Va.] :U.S. Geological Survey,1994.U.S. Geological Survey open-file report ;94-70Title from online title screen.Water qualityUnited StatesWater qualityLeahy P. Patrick1384508Thompson T. H(Terry H.),1937-1384509Geological Survey (U.S.)GPOGPOAGLOCLCQGPOOCLCQOCLOCLCQOCLCFOCLCQOCLCOGPOBOOK9910692931903321National Water-Quality Assessment Program3430847UNINA