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100   $a20080904d2001      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aApparent chlorofluorocarbon age of ground water of the shallow aquifer system, Naval Weapons Station Yorktown, Yorktown, Virginia$b[electronic resource] /$fby David L. Nelms, George E. Harlow, Jr., and Allen R. Brockman ; prepared in cooperation with Naval Weapons Station Yorktown, Base Civil Engineer, Environmental Directorate
210  1$aRichmond, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2001.
215   $a6 unnumbered pages, 57 pages $cdigital, PDF file
225 1 $aWater-resources investigations report ;$v01-4179
300   $aTitle from title screen (viewed Sept. 4, 2008).
606   $aChlorofluorocarbons$xEnvironmental aspects$zVirginia$zYorktown Region
606   $aGroundwater flow$zVirginia$zYorktown Region
615  0$aChlorofluorocarbons$xEnvironmental aspects
615  0$aGroundwater flow
700   $aNelms$b David L$01381345
701   $aHarlow$b George E$01381346
701   $aBrockman$b Allen R$g(Allen Richard),$f1961-$01387755
712 02$aNaval Weapons Station (Yorktown, Va.).$bEnvironmental Directorate.
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910697425403321
996   $aApparent chlorofluorocarbon age of ground water of the shallow aquifer system, Naval Weapons Station Yorktown, Yorktown, Virginia$93450509
997   $aUNINA