File:Old cave guide lantern (Main Cave, Mammoth Cave, Kentucky, USA) (24445736188).jpg
Original file (2,304 × 1,296 pixels, file size: 854 KB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionOld cave guide lantern (Main Cave, Mammoth Cave, Kentucky, USA) (24445736188).jpg |
The object shown here is an old open-flame lantern used by early cave guides in western Kentucky's Mammoth Cave, the longest cave on Earth. As of fall 2017, 412 miles worth of passages have been explored and mapped. Mammoth Cave has a relative abundance of archaeological and historical artifacts. American Indians entered the cave up to 12 miles from the Historic Entrance to engage in gypsum "mining" and chert/flint "mining". Many Indian artifacts have been removed over the last 200 years. Some artifact-rich areas are still close to pristine. Modern trash also occurs in the cave. The American government has arbitrarily decreed that any >50 year old trash in Mammoth Cave is an "artifact" and should be left in place. This includes matchbooks, matchboxes, broken wine bottles, old chicken bones from lunches, etc. Sheesh. Locality: Main Cave, Mammoth Cave, western Kentucky, USA |
Date | |
Source | Old cave guide lantern (Main Cave, Mammoth Cave, Kentucky, USA) |
Author | James St. John |
Licensing
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/24445736188 (archive). It was reviewed on 13 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
13 October 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:41, 13 October 2019 | 2,304 × 1,296 (854 KB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | SONY |
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Camera model | HDR-PJ10 |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/2.4 |
Date and time of data generation | 11:41, 14 August 2012 |
Lens focal length | 18.5 mm |
Width | 2,304 px |
Height | 1,296 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 15:19, 10 November 2017 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 11:41, 14 August 2012 |
Meaning of each component |
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Image compression mode | 2 |
APEX shutter speed | 4.906891 |
APEX aperture | 2.526069 |
APEX exposure bias | 0 |
Maximum land aperture | 1.7 APEX (f/1.8) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, No flash function |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Night scene |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Date metadata was last modified | 10:19, 10 November 2017 |
Unique ID of original document | uuid:7714DDE6584511E2B629AC15C96AB339 |
Copyright status | Copyright status not set |
IIM version | 2 |