LEADER 01555nam 2200361Ka 450 001 9910697630803321 005 20081017152140.0 035 $a(CKB)5470000002390657 035 $a(OCoLC)262698556 035 $a(EXLCZ)995470000002390657 100 $a20081017d2001 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aIsotopic and chemical composition of inorganic and organic water-quality samples from the Mississippi River basin, 1997-98$b[electronic resource] /$fby William A. Battaglin ... [and others] ; prepared in cooperation with the U.S. Environmental Protection Agency, Gulf of Mexico Program 210 1$aDenver, Colo. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2001. 215 $av, 57 pages $cdigital, PDF file 225 1 $aWater-resources investigations report ;$v01-4095 300 $aTitle from title screen (viewed Oct. 17, 2008). 606 $aNutrient pollution of water$zMississippi River Watershed 606 $aWater$xNitrogen content$zMississippi River Watershed 615 0$aNutrient pollution of water 615 0$aWater$xNitrogen content 701 $aBattaglin$b William A$01382874 712 02$aGulf of Mexico Program (U.S.) 712 02$aGeological Survey (U.S.) 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910697630803321 996 $aIsotopic and chemical composition of inorganic and organic water-quality samples from the Mississippi River basin, 1997-98$93469842 997 $aUNINA