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Irvin Works was a steel processing plant located in West Mifflen, PA opened in 1938 owned by U.S. Steel, otherwise known as Mon Valley Works. Carnegie Steel Company was created in 1872 and was a primary supplier of railroad rails and other steel products; Illinois Steel Company, founded in 1889, was a competitor that eventually moved to a western market, but returned to the east to purchase Carnegie Steel Company in 1901 to become U.S. Steel. Items from the Irvin Works plant were used in appliance, automotive, metal building, and home construction industries.
Illinois Steel Company. (2020). In Wikipedia. Retrieved July 4, 2020, from https://en.wikipedia.org/wiki/Illinois_Steel_Company
Mon Valley Works Irvin Plant. (2020). In United States Steel Corporation. Retrieved July 4, 2020, from https://www.ussteel.com/locations/mon-valley-works-irvin-plant
Mon Valley Works–Irvin Plant. (2020). In Wikipedia. Retrieved July 4, 2020, from https://en.wikipedia.org/wiki/Mon_Valley_Works%E2%80%93Irvin_Plant