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100   $a20090819d2009      ua             0
101 0 $aeng
135   $aurmnu||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aSalinization of the upper Colorado River--fingerprinting geologic salt sources$b[electronic resource] /$fby Michele L. Tuttle and Richard I. Grauch
210  1$aReston, Va. :$cU.S. Geological Survey,$d2009.
215   $a1 online resource (v, 61 pages) $cillustrations, maps
225 1 $aScientific investigations report ;$v2009-5072
300   $aTitle from PDF title screen (viewed Aug. 19, 2009).
320   $aIncludes bibliographical references (pages 27-28).
606   $aWater salinization$zColorado River (Colo.-Mexico)
606   $aWater$xPollution$zColorado River (Colo.-Mexico)
615  0$aWater salinization
615  0$aWater$xPollution
700   $aTuttle$b M. L$01381073
701   $aGrauch$b Richard I$01413612
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910699057703321
996   $aSalinization of the upper Colorado River--fingerprinting geologic salt sources$93514760
997   $aUNINA