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100   $a20070502d2007      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aSelenium concentrations in middle Pennsylvanian coal-bearing strata in the central Appalachian Basin$b[electronic resource] /$fby Sandra G. Neuzil ... [and others]
205   $aRev. and reprinted 2007.
210  1$aReston, Va. :$cU.S. Geological Survey,$d2007.
215   $avi, 57 pages $cdigital, PDF file
225 1 $aOpen-file report ;$v2007-1090
300   $aTitle from PDF title screen (viewed on May 2, 2007).
320   $aIncludes bibliographical references (pages 18-19).
606   $aCoal$zWest Virginia
606   $aSelenium$zWest Virginia
615  0$aCoal
615  0$aSelenium
701   $aNeuzil$b Sandra G$01409112
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910696258103321
996   $aSelenium concentrations in middle Pennsylvanian coal-bearing strata in the central Appalachian Basin$93494714
997   $aUNINA