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035   $a(OCoLC)1232183181
035   $a(EXLCZ)995470000002509409
100   $a20210121d2020      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAssessing the influence of natural copper-nickel-bearing bedrocks of the Duluth Complex on water quality in Minnesota, 2013-15 /$fby Sarah M. Elliott [and five others]
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2020.
215   $a1 online resource (x, 51 pages) $cillustrations (some color), color maps
225 1 $aScientific investigations report,$x2328-0328 ;$v2020-5039
300   $a"Prepared in cooperation with the University of Minnesota-Duluth Natural Resources Research Institute."
300   $aIncludes tables and appendices.
320   $aIncludes bibliographical references (pages 46-50).
606   $aWater quality$zMinnesota$vObservations
606   $aShields (Geology)$zMinnesota$vObservations
606   $aMines and mineral resources$zMinnesota$vObservations
615  0$aWater quality
615  0$aShields (Geology)
615  0$aMines and mineral resources
700   $aElliott$b Sarah M.$01389383
712 02$aGeological Survey (U.S.),
712 02$aUniversity of Minnesota, Duluth.$bNatural Resources Research Institute.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910715261403321
996   $aAssessing the influence of natural copper-nickel-bearing bedrocks of the Duluth Complex on water quality in Minnesota, 2013-15$93440861
997   $aUNINA