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100   $a20080410d2008      ua             0
101 0 $aeng
135   $aurmn||||m||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aMethods 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$b[electronic resource] /$fby John T. Wilson ... [and others]
210  1$aReston, Va. :$cU.S. Geological Survey,$d2008.
215   $ax, 61 pages $cdigital, PDF file +$e26 appendices
225 1 $aOpen-file report ;$v2008-1110
300   $aTitle from PDF title screen (viewed on Apr. 9, 2008).
300   $a"National Water-Quality Assessment Program."
320   $aIncludes bibliographical references.
606   $aWater quality$xResearch$zUnited States
606   $aWater quality$zUnited States$xData processing
606   $aWater$xPollution$zUnited States$xMeasurement
615  0$aWater quality$xResearch
615  0$aWater quality$xData processing.
615  0$aWater$xPollution$xMeasurement.
701   $aWilson$b John T$g(John Thomas),$f1963-$01397119
712 02$aNational Water-Quality Assessment Program (U.S.)
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910696756203321
996   $aMethods 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$93473511
997   $aUNINA