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  2. Pittsburgh coal seam - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_coal_seam

    Pittsburgh-seam coal, especially the highest-quality coal found in the Connellsville district, was the best coal in America for making coke. When converted into coke, it was sufficiently strong to withstand the weight of iron ore that was piled with coke inside iron furnaces.

  3. Pittsburgh Coalfield - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_Coalfield

    The Pittsburgh Coalfield (Pittsburgh Coal Region) is the largest of the Western Pennsylvania coalfields. It includes all or part of Allegheny, Fayette, Greene, Washington, and Westmoreland Counties in Pennsylvania. Coal has been mined in Pittsburgh since the 18th century. U.S. Steel and Bethlehem Steel owned Karen, Maple Creek, and Ellsworth ...

  4. Jones and Laughlin Steel Company - Wikipedia

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

    The J&L Coal Incline was a 1,300-foot (400 m) incline in Pittsburgh, Pennsylvania connecting a coal mine to the J&L iron making facility. It ran from Josephine Street, between South 29th street and South 30th Street on the lower end to Sumner Street on its upper end. [10] It was supplied with coal from the American Mine, opened in 1854. [11] [12]

  5. History of the iron and steel industry in the United States

    en.wikipedia.org/wiki/History_of_the_iron_and...

    In the 1800s, making a ton of steel required a greater weight of coal than iron ore. Therefore, it was more economical to locate closer to the coal mines. Pittsburgh, Pennsylvania, surrounded by large coal deposits and at the junction of three navigable rivers, was an ideal location for steelmaking. Notable early 19th-century iron furnaces in ...

  6. Gritty 1940s photos record the dark and dangerous lives of ...

    www.aol.com/news/2017-05-05-gritty-1940s-photos...

    In 1942, Office of War Information photographer John Collier visited the Montour No. 4 Mine of the Pittsburgh Coal Company in Pennsylvania.

  7. 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]

  8. Connellsville Coalfield - Wikipedia

    en.wikipedia.org/wiki/Connellsville_Coalfield

    The heyday of the Connellsville Coalfield was from the 1880s to the 1920s. At least 60 coal towns, known as "coal patches", were constructed in the field. H.C. Frick Coal and Coke - a subsidiary of U.S. Steel after 1903 - was the major player. Other notable industrialists included Josiah Van Kirk Thompson, W. J. Rainey, and Philip Cochran.

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