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100   $a20090220d2008      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aNutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin$b[electronic resource] /$fby Dale M. Robertson, Brian M. Weigel, and David J. Graczyk ; in cooperation with the Wisconsin Department of Natural Resources
210  1$aReston, Va. :$cU.S. Geological Survey,$d2008.
215   $axii, 81 pages $cdigital, PDF file
225 1 $aProfessional paper ;$v1754
300   $aTitle from title screen (viewed Feb. 20, 2009).
320   $aIncludes bibliographical references (pages 72-75).
606   $aWater quality biological assessment$zWisconsin
606   $aNutrient pollution of water$zWisconsin
615  0$aWater quality biological assessment
615  0$aNutrient pollution of water
700   $aRobertson$b Dale M$01392706
701   $aWeigel$b Brian M$01403566
701   $aGraczyk$b David J$01385426
712 02$aWisconsin.$bDepartment of Natural Resources.
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
801  2$bGPO
801  2$bWAU
801  2$bGPO
906   $aBOOK
912   $a9910698033603321
996   $aNutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin$93476508
997   $aUNINA