page_title: Pottsville Formation
hierarchical_section_title: Pottsville Formation
caption_attribution_description: English: Pottsville Formation in a rock city at Worlds End State Park, Pennsylvania. Sandstone and conglomerate. Rock hammer for scale. Taken 2006.
context_page_description: The Pennsylvanian Pottsville Formation is a mapped bedrock unit in Pennsylvania, western Maryland, West Virginia, Ohio, and Alabama. It is a major ridge-former in the Ridge-and-Valley Appalachians of the eastern United States. The Pottsville Formation is conspicuous at many sites along the Allegheny Front, the eastern escarpment of the Allegheny or Appalachian Plateau.
context_section_description: The Pennsylvanian Pottsville Formation is a mapped bedrock unit in Pennsylvania, western Maryland, West Virginia, Ohio, and Alabama. It is a major ridge-former in the Ridge-and-Valley Appalachians of the eastern United States.  The Pottsville Formation is conspicuous at many sites along the Allegheny Front, the eastern escarpment of the Allegheny or Appalachian Plateau.
caption: Typical Pottsville Formation at Worlds End State Park, Sullivan County, Pennsylvania
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