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100   $a20100216d2010      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aDevelopment and application of regression models for estimating nutrient concentrations in streams of the conterminous United States, 1992-2001$b[electronic resource] /$fby Norman E. Spahr, David K. Mueller, David M. Wolock, Kerie J. Hitt, and JoAnn M. Gronberg
210  1$aReston, Va. :$cU.S. Geological Survey,$d2010.
215   $a1 online resource (viii, 22 pages) $cillustrations, maps
225 1 $aScientific investigations report ;$v2009-5199
300   $a"National Water-Quality Assessment Program."
311   $a1-4113-2595-8 
320   $aIncludes bibliographical references (pages 21-22).
410  0$aScientific investigations report ;$v2009-5199.
606   $aNutrient pollution of water$zUnited States
606   $aStream measurements$zUnited States$xAnalysis
606   $aRegression analysis
615  0$aNutrient pollution of water
615  0$aStream measurements$xAnalysis.
615  0$aRegression analysis.
701   $aSpahr$b Norman E$01384575
712 02$aGeological Survey (U.S.)
712 02$aNational Water-Quality Assessment Program (U.S.)
801  0$bWCA
801  1$bWCA
801  2$bWCA
801  2$bGPO
906   $aBOOK
912   $a9910694420203321
996   $aDevelopment and application of regression models for estimating nutrient concentrations in streams of the conterminous United States, 1992-2001$93499131
997   $aUNINA