File:Breakdown (Violet City, Mammoth Cave, Kentucky, USA).jpg

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English: Western Kentucky's Mammoth Cave is the longest cave system on Earth, with 426 miles known and mapped as of March 2024. The name does not refer to the early discovery of fossil mastodon or mammoth bones here. Rather, the name refers to the immense size of many rooms and passages.

Seen here is limestone breakdown at Violet City. This is at the southeastern terminus of Main Cave, the principal trunk passage in the Mammoth Cave Ridge part of the system. Main Cave has become erosively separated from the upstream continuations of the passage. The latter can be observed in Sandstone Avenue and Kentucky Avenue/Grand Avenue during the "Grand Avenue Tour".

Violet City can be observed during the "Violet City Tour", which starts at the cave's Historic Entrance and exits here at Violet City. The exit emerges from a sinkhole near the Carmichael Entrance. Violet City itself is a large breakdown pile that blocks Main Cave. Several sites in Main Cave have place names that include the term "City" (another example is Chief City). Such sites are large to enormous breakdown piles that led early tourists to imagine the remains of devastated cities.

Locality: Violet City, southeastern end of Main Cave, Mammoth Cave Ridge, western Kentucky, USA
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Source https://www.flickr.com/photos/47445767@N05/53667843939/
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/53667843939. It was reviewed on 21 April 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

21 April 2024

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current16:59, 21 April 2024Thumbnail for version as of 16:59, 21 April 20244,000 × 3,000 (8.02 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/53667843939/ with UploadWizard

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