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035   $a(OCoLC)680102837$z(OCoLC)624873731$z(OCoLC)667908566$z(OCoLC)971497363
035   $a(OCoLC)995470000002506843
035   $a(EXLCZ)995470000002506843
100   $a20101108d1986      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHydrogeology of and potential mining impacts on strippable lignite areas in the Denver aquifer, east-central Colorado /$fby Nancy E. Driver and Robert W. Williams, Jr. ; prepared in cooperation with the U.S. Bureau of Land Management
210  1$aLakewood, Colorado :$cU.S. Geological Survey,$d1986.
215   $a1 online resource (v, 39 pages) $cillustrations, maps
225 1 $aWater-resources investigations report ;$v84-4366
320   $aIncludes bibliographical references (page 39).
606   $aCoal mines and mining$xEnvironmental aspects$zColorado$zDenver Region
606   $aGroundwater$zColorado$zDenver Region
606   $aHydrogeology$zColorado$zDenver Region
606   $aLignite$zColorado
606   $aCoal mines and mining$xEnvironmental aspects$2fast
606   $aGroundwater$2fast
607   $aColorado$zDenver Region$2fast
615  0$aCoal mines and mining$xEnvironmental aspects
615  0$aGroundwater
615  0$aHydrogeology
615  0$aLignite
615  7$aCoal mines and mining$xEnvironmental aspects.
615  7$aGroundwater.
700   $aDriver$b Nancy E.$01404934
702   $aWilliams$b Robert S.
712 02$aGeological Survey (U.S.),
712 02$aUnited States.$bBureau of Land Management.
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCQ
801  2$bCOP
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910714082703321
996   $aHydrogeology of and potential mining impacts on strippable lignite areas in the Denver aquifer, east-central Colorado$93480514
997   $aUNINA