LEADER 01687oam 2200409Ia 450 001 9910696337303321 005 20080128113745.0 035 $a(CKB)5470000002377460 035 $a(OCoLC)128260233 035 $a(EXLCZ)995470000002377460 100 $a20070516d2007 ua 0 101 0 $aeng 135 $aurmn||||m|||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aData for a regional approach to the development of an effects-based nutrient criterion for wadable streams$b[electronic resource] /$fJ. Kent Crawford ... [and others] ; in cooperation with the U.S. Environmental Protection Agency and the Maryland Department of the Environment 210 1$aReston, Va. :$cU.S. Geological Survey,$d2007. 215 $avi, 235 pages $cdigital, PDF file 225 1 $aData series ;$v257 300 $aTitle from PDF title screen (viewed on May 15, 2007). 320 $aIncludes bibliographic references (page 12). 606 $aWater quality$zMiddle Atlantic States$xMeasurement 606 $aNutrient pollution of water$zMiddle Atlantic States$xMeasurement 615 0$aWater quality$xMeasurement. 615 0$aNutrient pollution of water$xMeasurement. 701 $aCrawford$b J. Kent$01387586 712 02$aUnited States.$bEnvironmental Protection Agency. 712 02$aMaryland.$bDepartment of the Environment. 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910696337303321 996 $aData for a regional approach to the development of an effects-based nutrient criterion for wadable streams$93473124 997 $aUNINA