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100   $a20101215d1997      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aWater-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland $esources, characteristics, analysis and limitations of nutrient and suspended-sediment data, 1975-90 /$fby Robert A. Hainly and Connie A. Loper
210  1$aLemoyne, Pennsylvania :$cU.S. Department of the Interior, U.S. Geological Survey,$d1997.
215   $a1 online resource (xiii, 138 pages) $cillustrations, maps
225 1 $aWater-resources investigations report ;$v97-4209
300   $a"National Water-Quality Assessment Program."
320   $aIncludes bibliographical references (pages 135-138).
517   $aWater-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland 
606   $aWater quality$zSusquehanna River Watershed
606   $aNutrient pollution of water$zSusquehanna River Watershed
606   $aSuspended sediments$zSusquehanna River Watershed
606   $aNutrient pollution of water$2fast
606   $aSuspended sediments$2fast
606   $aWater quality$2fast
607   $aUnited States$zSusquehanna River Watershed$2fast
615  0$aWater quality
615  0$aNutrient pollution of water
615  0$aSuspended sediments
615  7$aNutrient pollution of water.
615  7$aSuspended sediments.
615  7$aWater quality.
700   $aHainly$b Robert A.$01408697
702   $aLoper$b Connie A.
712 02$aGeological Survey (U.S.),
712 02$aNational Water-Quality Assessment Program (U.S.)
801  0$bOCLCE
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906   $aBOOK
912   $a9910716612703321
996   $aWater-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland$93512968
997   $aUNINA