File:Thunder Rocks, Allegany State Park - 20210921 - 16.jpg

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English: A hiker along the trail gazes in reverent awe at the majestic sedimentary formations at Thunder Rocks in Allegany State Park, New York, as seen in September 2021. This collection of large boulders, one of several "rock cities" that populate southern Cattaraugus County and adjacent areas of northwestern Pennsylvania, owes its existence to the frost wedging and erosion of 360 million-year-old deposits of silt and sand that flowed westward from the Catskill Mountains in a prehistoric era when the land that's now New York State was a shallow tropical sea. Much later, Thunder Rocks' location in the Salamanca Re-entrant, one of the few areas of the state not to have been touched by glaciation during the last Ice Age, preserved the landscape for our enjoyment today.
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Author Andre Carrotflower
Camera location42° 02′ 29.96″ N, 78° 42′ 02.54″ W  Heading=293.34756464221° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Date/TimeThumbnailDimensionsUserComment
current04:55, 2 October 2021Thumbnail for version as of 04:55, 2 October 20214,032 × 2,419 (7.92 MB)Andre Carrotflower (talk | contribs)Uploaded own work with UploadWizard

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