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100   $a20080821d2002      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aLlano Grande Lake bottom sediments$b[electronic resource] $ea chronicle of water-quality changes in the Arroyo Colorado, south Texas, 1989-2001 /$f[B.J. Mahler and P.C. Van Metre] ; in cooperation with the U.S. Environmental Protection Agency
210  1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2002]
215   $a4 pages $cdigital, PDF file
225 1 $aUSGS fact sheet ;$v065-02
300   $aTitle from title screen (viewed on Aug. 20, 2008).
300   $a"September 2002."
320   $aIncludes bibliographical references (page 4).
517   $aLlano Grande Lake bottom sediments 
606   $aLake sediments$zTexas
606   $aWater$xPollution$zTexas
606   $aOrganochlorine compounds$xEnvironmental aspects$zTexas
615  0$aLake sediments
615  0$aWater$xPollution
615  0$aOrganochlorine compounds$xEnvironmental aspects
700   $aMahler$b B. J$g(Barbara June),$f1959-$01382534
701   $aVan Metre$b Peter$01382533
712 02$aGeological Survey (U.S.)
712 02$aUnited States.$bEnvironmental Protection Agency.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910697496403321
996   $aLlano Grande Lake bottom sediments$93446222
997   $aUNINA