PITTSBURGH, Sept. 12, 2014 /PRNewswire/ -- United States Steel Corporation (NYSE: X) announces that the U.S. Army Corps of Engineers granted the final necessary federal permits for expansion of the company's Minntac facility, located in Mountain Iron, Minn. The taconite mine extension project received the necessary state permits earlier this year.

"We are very thankful for the support of our congressional delegation - Senators Klobuchar and Franken and Congressman Nolan, in assisting Minntac with the permits," said Larry Sutherland, general manager of Minnesota Ore Operations regarding the support received throughout the permitting process. "We are pleased to have the final permits in hand and begin work on the expansion."

As a result of the extension, Minntac will be expanded by 483 acres, extending the life of the mine by 16 years and ensuring the long-term competitiveness of the facility. Approximately 100 jobs have been created as a result of the project.

United States Steel Corporation, headquartered in Pittsburgh, Pa., is a leading integrated steel producer and Fortune 200 company with major production operations in the United States, Canada and Central Europe and an annual raw steelmaking capability of 27 million net tons. The company manufactures a wide range of value-added steel sheet and tubular products. For more information about U. S. Steel, please visit www.ussteel.com.

SOURCE United States Steel Corporation