LEADER 02147oam  2200553   450 
001 9910713780403321
005 20200724092523.0
035   $a(CKB)5470000002503877
035   $a(OCoLC)966434981
035   $a(OCoLC)995470000002503877
035   $a(EXLCZ)995470000002503877
100   $a20161219d1997      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aEstimation of nutrient and suspended-sediment loads in the Patuxent River Basin, Maryland, water years 1986-90 /$fby Stephen D. Preston and Robert M. Summers
210  1$aBaltimore, Maryland :$cU.S. Geological Survey,$d1997.
215   $a1 online resource (vi, 69 pages) $cillustrations, maps
225 1 $aWater-resources investigations report ;$v96-4175
300   $a"Prepared in cooperation with the Maryland Department of the Environment."
320   $aIncludes bibliographical references (pages 68-69).
606   $aNutrient pollution of water$zMaryland$zPatuxent River Watershed
606   $aSuspended sediments$zMaryland$zPatuxent River Watershed
606   $aWater quality$zMaryland$zPatuxent River Watershed
606   $aNutrient pollution of water$2fast
606   $aSuspended sediments$xEnvironmental aspects$2fast
606   $aWater quality$2fast
607   $aMaryland$zPatuxent River Watershed$2fast
615  0$aNutrient pollution of water
615  0$aSuspended sediments
615  0$aWater quality
615  7$aNutrient pollution of water.
615  7$aSuspended sediments$xEnvironmental aspects.
615  7$aWater quality.
700   $aPreston$b Stephen D.$f1955-$01407136
702   $aSummers$b Robert M.
712 02$aGeological Survey (U.S.),
712 02$aMaryland.$bDepartment of the Environment.
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910713780403321
996   $aEstimation of nutrient and suspended-sediment loads in the Patuxent River Basin, Maryland, water years 1986-90$93492880
997   $aUNINA