LEADER 01844nam 2200445Ia 450 001 9910691319603321 005 20021104150504.0 035 $a(CKB)5470000002346181 035 $a(OCoLC)48880260 035 9 $aocm48880260 035 $a(OCoLC)995470000002346181 035 $a(EXLCZ)995470000002346181 100 $a20020128d2001 ua 0 101 0 $aeng 135 $aurmn|||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aConcentrations and annual fluxes for selected water-quality constituents from the USGS National Stream Quality Accounting Network (NASQAN), 1996-2000$b[electronic resource] /$fby Valerie J. Kelly ... [and others] 210 1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2001. 225 1 $aWater-resources investigations report ;$v01-4255 300 $aTitle from title screen. 320 $aIncludes bibliographical references. 517 $aConcentrations and annual fluxes for selected water-quality constituents from the USGS National Stream Quality Accounting Network 606 $aWater quality$zUnited States$xMeasurement 607 $aColorado River Watershed (Colo.-Mexico) 607 $aColumbia River Watershed 607 $aMississippi River Watershed 607 $aRio Grande Watershed (Colo.-Mexico and Tex.) 615 0$aWater quality$xMeasurement. 701 $aKelly$b Valerie J$052903 712 02$aGeological Survey (U.S.) 712 02$aNational Stream Quality Accounting Network (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910691319603321 996 $aConcentrations and annual fluxes for selected water-quality constituents from the USGS National Stream Quality Accounting Network (NASQAN), 1996-2000$93426533 997 $aUNINA