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001 9910716718703321
005 20210901093444.0
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035   $a(OCoLC)682025678$z(OCoLC)622070692$z(OCoLC)667900631$z(OCoLC)985367107$z(OCoLC)1153329486
035   $a(OCoLC)995470000002524992
035   $a(EXLCZ)995470000002524992
100   $a20101117d1998      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aPreliminary estimates of residence times and apparent ages of ground water in the Chesapeake Bay watershed, and water-quality data from a survey of springs /$fby Michael J. Focazio [and five others]
210  1$aRichmond, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d1998.
215   $a1 online resource (vi, 75 pages) $cillustrations, maps (some color)
225 1 $aWater-resources investigations report ;$v97-4225
320   $aIncludes bibliographical references (pages 52-55).
606   $aWater quality$zChesapeake Bay Watershed$xMeasurement
606   $aSprings$zChesapeake Bay Watershed
606   $aGroundwater$xQuality$zChesapeake Bay Watershed
606   $aEcology$2fast
606   $aGroundwater$xQuality$2fast
606   $aSprings$2fast
606   $aWater quality$xMeasurement$2fast
607   $aChesapeake Bay Watershed$xEnvironmental conditions
607   $aUnited States$zChesapeake Bay Watershed$2fast
615  0$aWater quality$xMeasurement.
615  0$aSprings
615  0$aGroundwater$xQuality
615  7$aEcology.
615  7$aGroundwater$xQuality.
615  7$aSprings.
615  7$aWater quality$xMeasurement.
700   $aFocazio$b Michael J.$01385146
712 02$aGeological Survey (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   $a9910716718703321
996   $aPreliminary estimates of residence times and apparent ages of ground water in the Chesapeake Bay watershed, and water-quality data from a survey of springs$93508262
997   $aUNINA