Technical Reports TECHNICAL REPORTSTAMARACK NORTH PROJECT Initial Preliminary Economic Assessment (PEA) on the Tamarack North Project, Minnesota, December 14, 2018 Second Independent Technical Report on the Tamarack North Project, Tamarack, Minnesota , March 26, 2018First Independent Technical Report on the Tamarack North Project, Tamarack, Minnesota, August 29, 2014TAMARACK SOUTH PROJECT First Technical Report on the Tamarack South Project, Tamarack, Minnesota, December 12, 2018 Trairão Iron ProjectTrairão Iron Project, Pará State, Brazil "Fourth Independent Technical Report on Mineral Resources", March 2, 2012Trairão Iron Project, Pará State, Brazil "Third Independent Technical Report on Mineral Resources", August 12, 2011Trairão Iron Ore Project, Pará State, Brazil "Second Independent Technical Report on Mineral Resources", March 29, 2011Trairão Iron Ore Project, Pará State, Brazil "Independent Technical Report on Exploration and Mineral Resources Estimation", December 23, 2010
