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100   $a20071001d2007      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aDissolved solids in basin-fill aquifers and streams in the southwestern United States$b[electronic resource] /$fby David W. Anning ... [and others]
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2007.
215   $axiv, 168 pages $cdigital, PDF file
225 1 $aScientific investigations report ;$v2006-5315
300   $aTitle from title screen (viewed on Sept. 2, 2008).
300   $aAt head of title: National Water-Quality Assessment Program.
320   $aIncludes bibliographical references.
606   $aWater quality$zSouthwestern States
606   $aGroundwater$xPollution$zSouthwestern States
615  0$aWater quality
615  0$aGroundwater$xPollution
701   $aAnning$b David W$01390500
712 02$aNational Water-Quality Assessment Program (U.S.)
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910698302903321
996   $aDissolved solids in basin-fill aquifers and streams in the southwestern United States$93479652
997   $aUNINA