File:Grand Canyon Nat. Park Trail Crew Inner Canyon 7331 (7309551040).jpg
![File:Grand Canyon Nat. Park Trail Crew Inner Canyon 7331 (7309551040).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Grand_Canyon_Nat._Park_Trail_Crew_Inner_Canyon_7331_%287309551040%29.jpg/398px-Grand_Canyon_Nat._Park_Trail_Crew_Inner_Canyon_7331_%287309551040%29.jpg?20200420175014)
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Summary
[edit]DescriptionGrand Canyon Nat. Park Trail Crew Inner Canyon 7331 (7309551040).jpg |
During February of 2012 Grand Canyon's Trail Crew rebuilt a 100 foot section of wet stone masonry wall just above "The Box" in Bright Angel Canyon. NPS Photo by Kristen M. Caldon The North Kaibab Trail runs very closely to Bright Angel Creek, which is subject to seasonal flooding. In order to protect the trail and the trans-canyon pipeline in which the trail harbors, there are miles of wet stone walls to support trail structure from erosion. This particular section of trail took a crew of 8 people about 14 days to complete. Rock materials were mined from local sources, and all mortar, mixers and other supplies were flown to the site by helicopter. |
Date | |
Source | Grand Canyon Nat. Park Trail Crew Inner Canyon_7331 |
Author | Grand Canyon National Park |
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This image was originally posted to Flickr by Grand Canyon NPS at https://flickr.com/photos/50693818@N08/7309551040. It was reviewed on 20 April 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
20 April 2020
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current | 17:50, 20 April 2020 | ![]() | 2,848 × 4,288 (1.56 MB) | Killarnee (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 | NIKON CORPORATION |
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Camera model | NIKON D300 |
Exposure time | 1/320 sec (0.003125) |
F-number | f/9 |
ISO speed rating | 400 |
Date and time of data generation | 13:39, 19 February 2012 |
Lens focal length | 17 mm |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 10:07, 31 May 2012 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 13:39, 19 February 2012 |
APEX shutter speed | 8.321928 |
APEX aperture | 6.33985 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 77 |
DateTimeOriginal subseconds | 77 |
DateTimeDigitized subseconds | 77 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 25 mm |
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Scene control | Low gain up |
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Sharpness | Normal |
Subject distance range | Unknown |
Image width | 2,848 px |
Image height | 4,288 px |
Serial number of camera | 3104646 |
Lens used | 17.0-35.0 mm f/2.8 |
Rating (out of 5) | 0 |
Date metadata was last modified | 03:07, 31 May 2012 |
IIM version | 44,328 |