Hauck, Steven ASeverson, Mark JRipley, Edward MGoldberg, Steven AAlapieti, Tuomo2015-10-052017-04-142015-10-052017-04-141997https://hdl.handle.net/11299/187116enGeochemical analysisSouth Kawishiwi IntrusionPlatinum groupMineralizationNatural Resources Research InstituteUniversity of Minnesota DuluthGeology and Cr-PGE Mineralization of the Birch Lake Area, South Kawishiwi Intrusion, Duluth ComplexNatural Resources Research Institute Technical ReportTechnical Report