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100   $a20011015d2001      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe National Water-Quality Assessment Program$b[electronic resource] $eentering a new decade of investigations /$f[by Robert J. Gilliom, Pixie A. Hamilton, and Timothy L. Miller]
210  1$a[Reston, Va.] :$c[U.S. Geological Survey],$d[2001]
215   $a6 unnumbered pages $cdigital, PDF file
225 1 $aUSGS fact sheet ;$v071-01
300   $aTitle from title screen (viewed on Aug. 26, 2008).
300   $a"July 2001."
517   $aNational Water-Quality Assessment Program 
606   $aWater quality management$zUnited States
615  0$aWater quality management
700   $aGilliom$b Robert J$01384354
701   $aHamilton$b Pixie A$01387204
701   $aMiller$b Timothy L$g(Timothy Lee),$f1950-$01416441
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bOCL
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910697451703321
996   $aThe National Water-Quality Assessment Program$93521749
997   $aUNINA