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005 20080826100924.0
035   $a(CKB)4950000000739319
035   $a(OCoLC)47292692
035   $a(EXLCZ)994950000000739319
100   $a20010713d2001      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 12$aA primer on water quality$b[electronic resource] /$f[Gail E. Cordy]
210  1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2001]
215   $a2 unnumbered pages $cdigital, PDF file
225 1 $aFS ;$v027-01
300   $aTitle from title screen (viewed on Aug. 25, 2008).
300   $a"March 2001."
606   $aWater quality
606   $aWater$xPollution
615  0$aWater quality.
615  0$aWater$xPollution.
700   $aCordy$b Gail E$01387708
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910698538603321
996   $aA primer on water quality$93437808
997   $aUNINA