International mining and natural resources company, Cliffs Natural Resources Inc. (CLF) announced on Oct 12 its decision to exercise its right of first refusal to acquire U.S. Steel Canada’s 44.6% interest and ArcelorMittal Dofasco’s 28.6% interest in the Wabush Mines joint venture in Canada. Wabush Mines includes the Scully Iron Ore Mine near Wabush, Newfoundland, [...] (CLF) Cliffs Natural Resources to Acquire Wabush Mines Stake