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  2. Llewellyn Formation - Wikipedia

    en.wikipedia.org/wiki/Llewellyn_Formation

    Fossils have been recovered from every rock type in the Llewellyn but are predominantly found in the siltstone, shale, and coal layers. The compression fossils from the Llewellyn formation are well known for the striking white color on the dark stone. An important location for these fossils is near St. Clair, Pennsylvania.

  3. Allegheny Group - Wikipedia

    en.wikipedia.org/wiki/Allegheny_group

    The Five Points cannel coal mine was first publicized as a fossil site by Robert Hook and Donald Baird in 1994, who collected tetrapod fossils comparable to those found at Linton. However, the mine at Five Points was reclaimed around the same time, so the fossiliferous spoil piles are no longer accessible for further collection. [10] [11]

  4. Paleontology in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_Pennsylvania

    Some of Pennsylvania's most important fossil finds were made in the state's Devonian rocks. [2] Carboniferous Pennsylvania was a swampy environment covered by a wide variety of plants. The latter half of the period was called the Pennsylvanian in honor of the state's rich contemporary rock record. By the end of the Paleozoic the state was no ...

  5. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    Most of the coal being mined from this section is from the Pennsylvanian-aged formations. Along with the Mazon Creek fossil field in Illinois, a tremendous amount of plant fossils has been studied from this area. [13] Landslides and acid mine drainage are two principal hazards of the area. In the past, underground mine fires have also been a ...

  6. Vintage photos of coal miners in America - AOL

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

    Coal-mining was also one of the many dangerous jobs that employed child workers. Children were perfect for squeezing into tight spaces in mines that adults could never reach.

  7. Waynesburg Formation - Wikipedia

    en.wikipedia.org/wiki/Waynesburg_Formation

    Waynesburg, Pennsylvania [1] The Waynesburg Formation is a coal, sandstone, and siltstone geologic formation in West Virginia and Pennsylvania . It preserves fossils dating back to the Permian period .

  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. List of fossiliferous stratigraphic units in Pennsylvania

    en.wikipedia.org/wiki/List_of_fossiliferous_str...

    This article contains a list of fossil-bearing stratigraphic units in the state of Pennsylvania, U.S. Sites ... Connemaugh Group/Duquesne Coal: Carboniferous: