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035   $a(OCoLC)965753788$z(OCoLC)953694539
035   $a(OCoLC)995470000002486151
035   $a(EXLCZ)995470000002486151
100   $a20161210d1966      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aWater quality of the Potomac River estuary at Washington, D.C /$fby W.H. Durum and W.B. Langbein
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1966.
215   $a1 online resource (iii, 9 pages) $cillustrations, map
225 1 $aGeological Survey circular ;$v529-A
225 0 $aPotomac River studies
320   $aIncludes bibliographical references (page 9).
606   $aWater quality$zPotomac River Estuary
606   $aWater quality$zWashington Metropolitan Area
606   $aWater quality$2fast
607   $aUnited States$zPotomac River Estuary$2fast
607   $aWashington (D.C.) Metropolitan Area$2fast
615  0$aWater quality
615  0$aWater quality
615  7$aWater quality.
700   $aDurum$b W. H$g(Walton Henry),$f1917-1996,$01393736
702   $aLangbein$b Walter B$g(Walter Basil),$f1907-1982,
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bCOP
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711791703321
996   $aWater quality of the Potomac River estuary at Washington, D.C$93473072
997   $aUNINA