Severson, Mark JHauck, Steven A2015-10-122017-04-142015-10-122017-04-142003https://hdl.handle.net/11299/187137enPlatinum groupCopper-nickel depositsPlatinum group element (PGE) assaysNatural Resources Research InstituteUniversity of Minnesota DuluthPlatinum Group Elements (PGEs) and Platinum Group Minerals (PGMs) in the Duluth ComplexNatural Resources Research Institute Technical ReportTechnical Report