01892oam 2200433Ia 450 991069675620332120220715121317.0(CKB)5470000002381309(OCoLC)221911661(EXLCZ)99547000000238130920080410d2008 ua 0engurmn||||m||||txtrdacontentcrdamediacrrdacarrierMethods and sources of data used to develop selected water-quality indicators for streams and ground water for the 2007 edition of the State of the Nation's Ecosystems Report with comparisons to the 2002 edition[electronic resource] /by John T. Wilson ... [and others]Reston, Va. :U.S. Geological Survey,2008.x, 61 pages digital, PDF file +26 appendicesOpen-file report ;2008-1110Title from PDF title screen (viewed on Apr. 9, 2008)."National Water-Quality Assessment Program."Includes bibliographical references.Water qualityResearchUnited StatesWater qualityUnited StatesData processingWaterPollutionUnited StatesMeasurementWater qualityResearchWater qualityData processing.WaterPollutionMeasurement.Wilson John T(John Thomas),1963-1397119National Water-Quality Assessment Program (U.S.)Geological Survey (U.S.)GISGISGPOBOOK9910696756203321Methods and sources of data used to develop selected water-quality indicators for streams and ground water for the 2007 edition of the State of the Nation's Ecosystems Report with comparisons to the 2002 edition3473511UNINA