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  2. Mon Valley Works–Irvin Plant - Wikipedia

    en.wikipedia.org/wiki/Mon_Valley_Works–Irvin_Plant

    The mill was announced on May 22, 1937 and opened in phases starting on March 2, 1938 while being dedicated on December 15, 1938 [2] for U.S. Steel and was constructed by Mesta Machinery. U.S. Steel has claimed that construction of the hilltop site required more cubic yards of earth moved (4.4 million cubic yards) than any project other than ...

  3. Edgar Thomson Steel Works - Wikipedia

    en.wikipedia.org/wiki/Edgar_Thomson_Steel_Works

    Edgar Thomson Steel Works in the mid-1990s. The Edgar Thomson Steel Works is a steel mill in the Pittsburgh area communities of Braddock and North Braddock, Pennsylvania. It has been active since 1875. It is currently owned by U.S. Steel and is known as Mon Valley Works – Edgar Thomson Plant.

  4. Jones and Laughlin Steel Company - Wikipedia

    en.wikipedia.org/wiki/Jones_and_Laughlin_Steel...

    The Jones and Laughlin Steel Corporation, also known as J&L Steel or simply as J&L, was an American steel and iron manufacturer that operated from 1852 until 1968. The enterprise began as the American Iron Company, founded in 1852 by Bernard Lauth and Benjamin Franklin Jones , about 2.5 mi (4.0 km) south of Pittsburgh along the Monongahela ...

  5. Sale of US Steel kicks up a political storm, but Pittsburgh ...

    lite.aol.com/news/story/0001/20240711/67042a39de...

    And, they say, “U.S. Steel remains U.S. Steel.” Meanwhile, Pittsburgh is a changed place. It is no longer a destination for new steel investment. Gone are the 20 or so miles (32 kilometers) of contiguous iron and steel mills from downtown Pittsburgh and up the Monongahela River that helped the U.S. industrialize and wage wars.

  6. Carrie Furnace - Wikipedia

    en.wikipedia.org/wiki/Carrie_Furnace

    Carrie Furnace is a former blast furnace located along the Monongahela River in the Pittsburgh area industrial town of Swissvale, Pennsylvania, and it had formed a part of the Homestead Steel Works. The Carrie Furnaces were built in 1884 and they operated until 1982. During its peak, the site produced 1,000 to 1,250 tons of iron per day. [3]

  7. Sale of US Steel kicks up a political storm, but Pittsburgh ...

    www.aol.com/news/sale-us-steel-kicks-political...

    Gone are the 20 or so miles (32 kilometers) of contiguous iron and steel mills from downtown Pittsburgh and up the Monongahela River that helped the U.S. industrialize and wage wars.

  8. Carnegie Steel Company - Wikipedia

    en.wikipedia.org/wiki/Carnegie_Steel_Company

    Blast furnaces and iron ore at the Carnegie-Illinois Steel Corporation mills in 1941. Carnegie Steel Company was a steel-producing company primarily created by Andrew Carnegie and several close associates to manage businesses at steel mills in the Pittsburgh, Pennsylvania area in the late 19th century.

  9. U.S. Steel expects to shut mills if $14.9 billion Nippon deal ...

    www.aol.com/news/u-steel-expects-shut-mills...

    The steelmaker's CEO David Burritt told WSJ the nearly $3 billion Nippon had pledged to invest in U.S. Steel's older mills was crucial to remain competitive and maintain workers' jobs. "We wouldn ...