LEADER 01750oam  2200493   450 
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005 20180712094515.0
035   $a(CKB)5470000002473040
035   $a(OCoLC)896811359
035   $a(OCoLC)995470000002473040
035   $a(EXLCZ)995470000002473040
100   $a20141123d1993      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas /$fby John O. Helgesen, Robert B. Leonard, and Ronald J. Wolf
210  1$aWashington :$cU.S. Department of the Interior, U.S. Geological Survey,$d1993.
215   $a1 online resource (viii, E80 pages) $cillustrations +$e10 plates
225 1 $aU.S. Geological Survey professional paper ;$v1414-E
225 1 $aRegional aquifer-system analysis--Central Midwest
320   $aIncludes bibliographical references (pages E77-E80).
606   $aGroundwater$zHigh Plains (U.S.)
606   $aGroundwater$2fast
607   $aHigh Plains Aquifer
607   $aUnited States$zHigh Plains$2fast
607   $aUnited States$zHigh Plains Aquifer$2fast
615  0$aGroundwater
615  7$aGroundwater.
700   $aHelgesen$b John O.$01392149
702   $aLeonard$b Robert B.
702   $aWolf$b R. J$g(Ronald J.),
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910709720903321
996   $aHydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas$93455812
997   $aUNINA