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100   $a20101115d1986      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aEvaluation of coal-mining impacts using numerical classification of benthic invertebrate data from streams draining a heavily mined basin in eastern Tennessee /$fArthur D. Bradfield
210  1$aNashville, Tennessee :$cU.S. Geological Survey,$d1986.
215   $a1 online resource (v, 59 pages) $cillustrations, 1 map
225 1 $aWater-resources investigations report ;$v85-4289
320   $aIncludes bibliographical references (pages 58-59).
606   $aCoal mines and mining$xEnvironmental aspects$zTennessee
606   $aFreshwater invertebrates$zTennessee
606   $aWater quality bioassay$zTennessee
606   $aCoal mines and mining$xEnvironmental aspects$2fast
606   $aFreshwater invertebrates$2fast
606   $aWater quality bioassay$2fast
607   $aTennessee$2fast
615  0$aCoal mines and mining$xEnvironmental aspects
615  0$aFreshwater invertebrates
615  0$aWater quality bioassay
615  7$aCoal mines and mining$xEnvironmental aspects.
615  7$aFreshwater invertebrates.
615  7$aWater quality bioassay.
700   $aBradfield$b Arthur D.$01396698
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
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801  2$bOCLCQ
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906   $aBOOK
912   $a9910714061303321
996   $aEvaluation of coal-mining impacts using numerical classification of benthic invertebrate data from streams draining a heavily mined basin in eastern Tennessee$93543725
997   $aUNINA