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100   $a20101106d1997      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aWater-quality assessment of the Trinity River Basin, Texas $enutrients and pesticides in the watersheds of Richland and Chambers creeks, 1993-95 /$fby L.F. Land
210  1$aAustin, Texas :$cU.S. Geological Survey,$d1997.
215   $a1 online resource (vi, 23 pages) $cillustrations, color map
225 1 $aWater-resources investigations report ;$v97-4132
300   $a"A Contribution of the National Water-Quality Assessment Program."
320   $aIncludes bibliographical references (page 23).
517   $aWater-quality assessment of the Trinity River Basin, Texas 
606   $aNutrient pollution of water$zTexas$zTrinity River Watershed
606   $aPesticides$xEnvironmental aspects$zTexas$zTrinity River Watershed
606   $aWater quality$zTexas$zTrinity River Watershed
606   $aEcology$2fast
606   $aNutrient pollution of water$2fast
606   $aPesticides$xEnvironmental aspects$2fast
606   $aWater quality$2fast
607   $aRichland-Chambers Reservoir (Tex.)$xEnvironmental conditions
607   $aTexas$zRichland-Chambers Reservoir$2fast
607   $aTexas$zTrinity River Watershed$2fast
615  0$aNutrient pollution of water
615  0$aPesticides$xEnvironmental aspects
615  0$aWater quality
615  7$aEcology.
615  7$aNutrient pollution of water.
615  7$aPesticides$xEnvironmental aspects.
615  7$aWater quality.
700   $aLand$b Larry F.$01385517
712 02$aGeological Survey (U.S.),
712 02$aNational Water-Quality Assessment Program (U.S.)
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bOCLCO
801  2$bOCLCQ
801  2$bCOP
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910716625903321
996   $aWater-quality assessment of the Trinity River Basin, Texas$93547035
997   $aUNINA