Zanko, Lawrence MFosnacht, Donald RHauck, Steven A2019-08-262019-08-262007-07https://hdl.handle.net/11299/206479enNatural Resources Research InstituteUniversity of Minnesota DuluthResearch, Development, and Marketing of Minnesota’s Iron Range Aggregate Materials for Midwest and National Transportation Applications: July 2007 Progress Report to the Economic Development AdministrationNatural Resources Research Institute Technical Summary ReportTechnical Report