LEADER 01515nam  2200385I  450 
001 9910706968203321
005 20180409130344.0
035   $a(CKB)5470000002459794
035   $a(OCoLC)1030896606
035   $a(EXLCZ)995470000002459794
100   $a20180409d2018      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aFactors affecting long-term trends in surface-water quality in the Gwynns Falls Watershed, Baltimore City and County, Maryland, 1998-2016 /$fEmily H. Majcher [and three others]
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2018.
215   $a1 online resource (viii, 27 pages) $cillustrations (some color), color maps
225 1 $aOpen file ;$v2018-1038
300   $a"Prepared in cooperation with Blue Water Baltimore."
320   $aIncludes bibliographical references (pages 25-27).
606   $aWater quality$zMaryland
606   $aGroundwater$xQuality$zMaryland
607   $aGwynns Falls Watershed (Md.)
615  0$aWater quality
615  0$aGroundwater$xQuality
700   $aMajcher$b Emily H.$01409357
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910706968203321
996   $aFactors affecting long-term trends in surface-water quality in the Gwynns Falls Watershed, Baltimore City and County, Maryland, 1998-2016$93495556
997   $aUNINA