02428oam 2200685 450 991071281510332120200213132935.0(CKB)5470000002498035(OCoLC)870655408(EXLCZ)99547000000249803520140217d1978 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPhysiography and superficial geology of the copper-nickel study region, northeastern Minnesota /by P. G. Olcott and D. I. SiegelSt. Paul, Minnesota :U.S. Geological Survey,[1978]1 online resource (iv, 22 pages) illustrations, maps +3 platesWater-resources investigations ;78-51Open-file report"Prepared in cooperation with Minnesota Environmental Quality Board, Copper-Nickel Study Staff."Includes bibliographical references (pages 21-22).GeologyMinnesotaPhysical geographyMinnesotaCopper oresMinnesotaNickel oresMinnesotaGroundwaterMinnesotaCopper mines and miningEnvironmental aspectsfastEnvironmental impact analysisfastGeologyfastGroundwaterfastNickel mines and miningEnvironmental aspectsfastMinnesotafastMinnesotaBoundary Waters Canoe AreafastGeologyPhysical geographyCopper oresNickel oresGroundwaterCopper mines and miningEnvironmental aspects.Environmental impact analysis.Geology.Groundwater.Nickel mines and miningEnvironmental aspects.Olcott Perry G.1932-1396928Siegel Donald I.Geological Survey (U.S.),Minnesota Environmental Quality Board.Copper-Nickel Study Staff.COPCOPCOPOCLCOOCLCFOCLCAGPOBOOK9910712815103321Physiography and superficial geology of the copper-nickel study region, northeastern Minnesota3457883UNINA