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  2. Pittsburgh coal seam - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_coal_seam

    The Pittsburgh coal seam is the thickest and most extensive coal bed in the Appalachian Basin; [1] hence, it is the most economically important coal bed in the eastern United States. The Upper Pennsylvanian Pittsburgh coal bed of the Monongahela Group is extensive and continuous, extending over 11,000 mi 2 through 53 counties.

  3. Mount Washington, Pittsburgh (mountain) - Wikipedia

    en.wikipedia.org/wiki/Mount_Washington...

    In the early history of Pittsburgh, Mount Washington was known as Coal Hill, but Coal Hill was actually on the south bank of the Monongahela River. [1] Easy access to the Pittsburgh coal seam's outcrop near the base of Mount Washington allowed several mines to operate there. Also, rock was quarried from the hill.

  4. 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.

  5. Lick Run (Peters Creek tributary) - Wikipedia

    en.wikipedia.org/wiki/Lick_Run_(Peters_Creek...

    Lick Run is a 6.7-mile-long (10.8 km) [1] urban stream in southern Allegheny County, Pennsylvania, a tributary of Peters Creek. [2] The former Lick Run coal mine of the Pittsburgh Coal Company had its mouth near the stream, along the B&O Railroad line.

  6. Vintage photos of coal miners in America - AOL

    www.aol.com/news/2017-04-24-vintage-photos-of...

    Vintage photos of coal miners in America. Jessica Butler. April 24, 2017 at 9:00 AM. ... Coal-mining was also one of the many dangerous jobs that employed child workers. Children were perfect for ...

  7. 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 ...

  8. Pittsburgh Coal Company - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_Coal_Company

    The company operated the Coal Hill Coal Railroad, a 1.5-mile (2.4 km), 3 ft 4 in (1,016 mm) narrow gauge railroad until 1871, when it was sold to the Pittsburgh and Castle Shannon Railroad, which lengthened the line. [5] The company assumed control of the Montour Railroad in 1901. Coal miner Louis Shafer, Pittsburgh Coal Company (1946).

  9. National Register of Historic Places listings in Allegheny ...

    en.wikipedia.org/wiki/National_Register_of...

    Pittsburgh is the location of 182 of these properties and districts, including 5 National Historic Landmarks; they are listed separately, while the properties and districts elsewhere in the county, including 5 National Historic Landmarks, are listed here. Four properties are split between Pittsburgh and other parts of the county.