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035   $a(OCoLC)995470000002511287
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100   $a20101117d1992      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHydrogeology of the Helena Valley-fill aquifer system, west-central Montana /$fby David W. Briar and James P. Madison ; prepared in cooperation with the Lewis and Clark City-County Health Department
210  1$aHelena, Montona :$cU.S. Geological Survey,$d1992.
215   $a1 online resource (v, 92 pages) $cillustrations, maps
225 1 $aWater-resources investigations report ;$v92-4023
300   $a"April 1992."
300   $aChiefly tables.
320   $aIncludes bibliographical references (pages 38-41).
606   $aHydrogeology$zMontana$zPrickly Pear Creek Valley
606   $aAquifers$zMontana$zPrickly Pear Creek Valley
606   $aHydrogeology$2fast
607   $aPrickly Pear Creek Valley (Mont.)
607   $aMontana$zHelena Region$2fast
615  0$aHydrogeology
615  0$aAquifers
615  7$aHydrogeology.
700   $aBriar$b David W.$01400261
702   $aMadison$b James P.
712 02$aGeological Survey (U.S.),
712 02$aLewis & Clark City-County Health Dept.
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCQ
801  2$bCOP
801  2$bGPO
906   $aBOOK
912   $a9910715475503321
996   $aHydrogeology of the Helena Valley-fill aquifer system, west-central Montana$93466840
997   $aUNINA