File:Old shovel (Main Cave, Mammoth Cave, Kentucky, USA).jpg
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DescriptionOld shovel (Main Cave, Mammoth Cave, Kentucky, USA).jpg |
English: Western Kentucky's Mammoth Cave is the longest known cave on Earth, with 426 mapped miles as of March 2024. This old shovel is near the modern tourist trail in Main Cave, the main trunk passage through Mammoth Cave Ridge. At first glance, one would consider this to be garbage and remove it from this natural setting. The American government considers any trash that is over 50 years old (an arbitrary number) to be an historical artifact, so it remains where it is. It probably dates to the "CCC era" of Mammoth Cave - this refers to laborers in the "Civilian Conservation Corps". In the 1930s, those people worked on surface and underground projects. The traditional tourist trails in the cave consisted of long series of more-or-less flat rocks. Some stretches of the old trail are still present and visible in the Main Cave. The CCC work included replacing that trail system with the modern trail, which is floored by compacted, fine-grained sediments and is ~free of large rocks. In recent years, the park has been installing boardwalks atop the CCC trails.
Locality: Main Cave (probably at or near Chief City), Mammoth Cave Ridge, Mammoth Cave National Park, western Kentucky, USA Info. at: www.nps.gov/maca/learn/historyculture/civilian-conservati... (accessed with park permission) |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/53659511312/ |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/53659511312. It was reviewed on 18 April 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
18 April 2024
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current | 14:35, 18 April 2024 | 4,000 × 3,000 (7.71 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/53659511312/ with UploadWizard |
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Camera manufacturer | Canon |
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Date and time of data generation | 11:47, 12 March 2024 |
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Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 18.0 (Macintosh) |
File change date and time | 11:52, 17 April 2024 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 11:47, 12 March 2024 |
Meaning of each component |
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File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 07:52, 17 April 2024 |
Unique ID of original document | 8B5871D1679E09AA7605F090FEB9C53B |
IIM version | 32,767 |