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  2. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    The red-green-gray sedimentary rocks of the Catskill Formation are the predominant bedrock type in the Poconos. The elevation of the plateau is between 1,200 feet (366 m) and 2,300 feet (701 m) with only a few steep hills such as Camelback Mountain. Much of the rock sits in gently dipping horizontal beds, unlike the neighboring Appalachian ...

  3. List of mapped rock formations in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/List_of_mapped_rock...

    The following is a list of the mapped bedrock units in Pennsylvania. The rocks are listed in stratigraphic order. [1] System Group name Formation name Member name

  4. Knobstone Escarpment - Wikipedia

    en.wikipedia.org/wiki/Knobstone_Escarpment

    Physically, the Knobstone Escarpment is the most rugged terrain in Indiana. The highest hill in the area is Weed Patch Hill, with an elevation of 1,060 feet above sea level. The escarpment's most prominent feature is its steep hills, often called "knobs", and ravines. Brown County State Park features views from the region's highest elevations.

  5. Devil's Backbone (rock formation) - Wikipedia

    en.wikipedia.org/wiki/Devil's_Backbone_(rock...

    Stone fortification and mounds at the Devil's Backbone rock formation. Devil's Backbone is a rock formation and peninsula formed by the flow of Fourteen Mile Creek into the Ohio River, and is currently situated in Charlestown State Park near Charlestown, Indiana, and across the Ohio River from Louisville, Kentucky.

  6. Chestnut Ridge (Laurel Highlands) - Wikipedia

    en.wikipedia.org/wiki/Chestnut_Ridge_(Laurel...

    Chestnut Ridge rises in southern Indiana County and continues to the south-southwest for approximately 75 miles. The ridge crosses Westmoreland County and Fayette County into West Virginia then gradually disappears into a series of hills and finally ends roughly 5 miles (8.0 km) southeast of Morgantown, West Virginia.

  7. Kentland crater - Wikipedia

    en.wikipedia.org/wiki/Kentland_crater

    The impact site is located 4 kilometres (2.5 mi) east of Kentland, Indiana, in Newton County. The disturbance is 12.5 kilometres (7.8 mi) in diameter. The bedrock has a thin layer of glacial till, with a maximum depth of 40 metres (130 ft) in the depression ring.

  8. Indiana County, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Indiana_County,_Pennsylvania

    The United States Office of Management and Budget [21] has designated Indiana County as the Indiana, PA Micropolitan Statistical Area (μSA). As of the 2010 U.S. Census [ 22 ] the micropolitan area ranked 4th most populous in the State of Pennsylvania and the 50th most populous in the United States with a population of 88,880.

  9. Geography of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Pennsylvania

    The Pennsylvania Dutch region in south-central Pennsylvania is a favorite for sightseers. The Pennsylvania Dutch, including the Amish, Mennonites, and at least 15 other sects are common in the rural areas around the cities of Lancaster, York, and Harrisburg with smaller populations extending northeast to the Lehigh Valley and up to the Susquehanna Valley.