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100   $a20101107d1997      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards Aquifer, south-central Uvalde County, Texas /$fby Allan K. Clark and Ted A. Small ; in cooperation with the San Antonio Water System
210  1$aAustin, Texas :$cU.S. Geological Survey,$d1997.
215   $a1 online resource (iii, 11 pages) $cmaps +$e1 plate
225 1 $aWater-resources investigations report ;$v97-4094
320   $aIncludes bibliographical references (page 11).
606   $aHydrogeology$zTexas$zUvalde County
606   $aAquifers$zTexas$zUvalde County
606   $aAquifers$2fast
606   $aHydrogeology$2fast
607   $aEdwards Aquifer (Tex.)
607   $aTexas$zEdwards Aquifer$2fast
607   $aTexas$zUvalde County$2fast
615  0$aHydrogeology
615  0$aAquifers
615  7$aAquifers.
615  7$aHydrogeology.
700   $aClark$b Allan K.$01389180
702   $aSmall$b Ted A.
712 02$aGeological Survey (U.S.),
712 02$aSan Antonio Water System (Tex.)
801  0$bOCLCE
801  1$bOCLCE
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906   $aBOOK
912   $a9910716582203321
996   $aGeologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards Aquifer, south-central Uvalde County, Texas$93440431
997   $aUNINA