CLEVELAND–(BUSINESS WIRE)–Cleveland-Cliffs Inc. (NYSE:CLF) announced today that it has acquired United States Steel Corporation’s 15 percent equity interest in the Tilden Mining Company for $105 million in cash. Cliffs previously owned an 85 percent interest in the joint venture and now has 100 percent ownership of the mine. The transaction closed on September 29, 2017. With the closing of this transaction, Cliffs has added 1.2 million long tons of annual pellet production capacity and 55 mil