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101 0 $aeng
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181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHydrology of the Helena area bedrock, west-central Montana, 1993-98 /$fby Joanna N. Thamke
210  1$aHelena, MT :$cU.S. Department of the Interior, U.S. Geological Survey,$d2000.
210  2$aDenver, CO :$cBranch of Information Services.
215   $a1 online resource (iv, 119 pages) $cillustrations, maps (some color)
225 1 $aWater-resources investigations report ;$v00-4212
300   $a"With a section on Geologic setting and a generalized bedrock geologic map by Mitchell W. Reynolds."
300   $aChiefly tables.
300   $aThree plates of ill. and maps on 3 folded leaves in 2 pockets.
300   $a"In cooperation with Lewis and Clark County Water Quality Protection District."
320   $aIncludes bibliographical references (pages 33-36).
517 3 $aHydrology of Helena area bedrock, west-central Montana, 1993-98
606   $aHydrology$zMontana$zHelena
606   $aHydrogeology$zMontana$zHelena
606   $aGroundwater$xQuality$zMontana$zHelena
606   $aGroundwater$xQuality$2fast
606   $aHydrogeology$2fast
606   $aHydrology$2fast
607   $aMontana$zHelena$2fast
615  0$aHydrology
615  0$aHydrogeology
615  0$aGroundwater$xQuality
615  7$aGroundwater$xQuality.
615  7$aHydrogeology.
615  7$aHydrology.
676   $a553.7/0973 s
676   $a551.49/09786/615
700   $aThamke$b Joanna N.$01415995
701   $aReynolds$b Mitchell W$01385702
712 02$aLewis and Clark County Water Quality Protection District (Mont.)
712 02$aGeological Survey (U.S.),
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906   $aBOOK
912   $a9910713601903321
996   $aHydrology of the Helena area bedrock, west-central Montana, 1993-98$93545146
997   $aUNINA