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Geologic Formation Attractions In Duncannon

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Duncannon is a borough in Perry County, Pennsylvania, United States. The population was 1,493 at the 2014 estimate. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area. The center of population of Pennsylvania is located in Duncannon. Lightning Guider sleds were manufactured in Duncannon from 1904 until 1988. The Appalachian Trail makes its way through the town, going on various streets, and runs mainly along North High Street. It comes off the mountain at 40.3813, -77.0292 lat/long, onto Inn Road.
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Geologic Formation Attractions In Duncannon

  • 1. Indian Echo Caverns Hummelstown
    Indian Echo Caverns is a show cave in Derry Township near Hummelstown, Pennsylvania, USA. The limestone caves are open for the public to visit via guided tour. The entrance to the caverns used by modern visitors is located in a bluff along the Swatara Creek. A second entrance was sealed for security purposes when the caverns were commercialized in the late 1920s. The known portions of the caverns, most of which have been commercialized, represent the intersection of two passages: the eastern cavern and the northern cavern, which meet at right angles to form a large space known as the Indian Ballroom. Given the large and accessible natural openings the caverns were likely utilized by Native Americans for storage and shelter, however no evidence of such use has survived. The location was pre...
    From Wikipedia, the free encyclopedia.

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