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  2. History of anthracite coal mining in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/History_of_anthracite_coal...

    Anthracite and bituminous coal were formed in the eastern and western regions of Pennsylvania in the Carboniferous Geological Period. [7] The Pennsylvania Anthracite Region is in the Valley and Ridge Province of the Appalachian Mountains, with the coal located in the folded and faulted terrain of the Province.

  3. Category:Coal mining in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Category:Coal_mining_in...

    Pages in category "Coal mining in Pennsylvania" The following 24 pages are in this category, out of 24 total. ... History of anthracite coal mining in Pennsylvania;

  4. History of coal mining in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_coal_mining_in...

    US Annual coal production by coal rank. Trends in surface versus underground mining of coal in the US Bowman Company coal mine, Indiana County, Pennsylvania, 1904.. The history of coal mining in the United States starts with the first commercial use in 1701, within the Manakin-Sabot area of Richmond, Virginia. [1]

  5. Coal Region - Wikipedia

    en.wikipedia.org/wiki/Coal_Region

    A Welsh miner in a coal mine in Pennsylvania's Coal Region in 1910. By the 18th century, the Susquehannock Native American tribe that had inhabited the region was reduced 90 percent [2] in three years of a plague of diseases and possibly war, [2] opening up the Susquehanna Valley and all of Pennsylvania to European settlers.

  6. 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 ...

  7. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    A rock with high economic value from Pennsylvania is anthracite coal. Before mining began, there was an estimated 22.8 billion tons of anthracite in Pennsylvania. In 2001, 12 billion tons still remained in the ground, most of which was not economically feasible to mine. [3]

  8. 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.

  9. Allegheny Group - Wikipedia

    en.wikipedia.org/wiki/Allegheny_group

    The Allegheny Group, often termed the Allegheny Formation, [2] is a Pennsylvanian-age geological unit in the Appalachian Plateau.It is a major coal-bearing unit in the eastern United States, extending through western and central Pennsylvania, western Maryland and West Virginia, and southeastern Ohio.