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035   $a(EXLCZ)995470000002414775
100   $a20111102d2011      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aSources, fate, and transport of nitrogen and phosphorus in the Chesapeake Bay Watershed-an empirical model$b[electronic resource] /$fby Scott W. Ator, John W. Brakebill, and Joel D. Blomquist
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2011.
215   $a1 online resource (2 volumes) $ccolor illustrations, color maps
225 1 $aScientific investigations report ;$v2011-5167
300   $aTitle from title screen (viewed Nov. 1, 2011).
320   $aIncludes bibliographical references.
606   $aWater$xNitrogen content$zChesapeake Bay Watershed
606   $aWater$xPhosphorus content$zChesapeake Bay Watershed
606   $aWater$xPollution$zChesapeake Bay Watershed
607   $aChesapeake Bay Watershed
615  0$aWater$xNitrogen content
615  0$aWater$xPhosphorus content
615  0$aWater$xPollution
700   $aAtor$b Scott W$01386575
701   $aBrakebill$b John W$01418299
701   $aBlomquist$b Joel D$01393439
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910701026503321
996   $aSources, fate, and transport of nitrogen and phosphorus in the Chesapeake Bay Watershed-an empirical model$93548726
997   $aUNINA