LEADER 01357nam  2200349   450 
001 9910716850403321
005 20210930104523.0
035   $a(CKB)5470000002525682
035   $a(OCoLC)1269630005
035   $a(OCoLC)995470000002525682
035   $a(EXLCZ)995470000002525682
100   $a20210930d1998      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aWater quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96 /$fby Scott W. Ator [and six others]
210  1$a[Reston, Virginia] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1998.
215   $a1 online resource (38 pages) $ccolor illustrations, color maps
225 1 $aU.S. Geological Survey circular ;$v1166
320   $aIncludes bibliographical references (pages 34-36).
606   $aWater quality$zPotomac River Watershed
615  0$aWater quality
700   $aAtor$b Scott W.$01386575
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910716850403321
996   $aWater quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96$93462831
997   $aUNINA