01806nam 2200421 450 991071526140332120210121153507.0(CKB)5470000002509409(OCoLC)1232183181(EXLCZ)99547000000250940920210121d2020 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAssessing the influence of natural copper-nickel-bearing bedrocks of the Duluth Complex on water quality in Minnesota, 2013-15 /by Sarah M. Elliott [and five others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2020.1 online resource (x, 51 pages) illustrations (some color), color mapsScientific investigations report,2328-0328 ;2020-5039"Prepared in cooperation with the University of Minnesota-Duluth Natural Resources Research Institute."Includes tables and appendices.Includes bibliographical references (pages 46-50).Water qualityMinnesotaObservationsShields (Geology)MinnesotaObservationsMines and mineral resourcesMinnesotaObservationsWater qualityShields (Geology)Mines and mineral resourcesElliott Sarah M.1389383Geological Survey (U.S.),University of Minnesota, Duluth.Natural Resources Research Institute.GPOGPOBOOK9910715261403321Assessing the influence of natural copper-nickel-bearing bedrocks of the Duluth Complex on water quality in Minnesota, 2013-153440861UNINA