File:DC Water-TBM cutting head-2014.jpg
From Wikimedia Commons, the free media repository
Jump to navigation
Jump to search
![File:DC Water-TBM cutting head-2014.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/DC_Water-TBM_cutting_head-2014.jpg/800px-DC_Water-TBM_cutting_head-2014.jpg?20160709202108)
Size of this preview: 800 × 531 pixels. Other resolutions: 320 × 213 pixels | 640 × 425 pixels | 1,024 × 680 pixels | 1,280 × 850 pixels | 2,560 × 1,700 pixels | 4,288 × 2,848 pixels.
Original file (4,288 × 2,848 pixels, file size: 3.38 MB, MIME type: image/jpeg)
File information
Structured data
Captions
Captions
Add a one-line explanation of what this file represents
Summary
[edit]DescriptionDC Water-TBM cutting head-2014.jpg |
English: View of cutting head portion of a tunnel boring machine used for the DC Water "Clean Rivers Project" in Washington, D.C. The head was built in Germany and is 26 ft in diameter. In 2013 DC Water began a 20-year tunnel construction project to reduce combined sewer overflows to local rivers. |
Date | |
Source | U.S. Environmental Protection Agency, Washington, D.C. "A Boring Subject." EPA's Healthy Waters in the Mid-Atlantic (Blog). 2015-01-08. |
Author | Photographer not identified |
Licensing
[edit]Public domainPublic domainfalsefalse |
![]() |
This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.
|
![]() |
العربية ∙ Deutsch ∙ English ∙ eesti ∙ italiano ∙ 日本語 ∙ македонски ∙ Nederlands ∙ polski ∙ português ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ українська ∙ 简体中文 ∙ 繁體中文 ∙ +/− |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 20:21, 9 July 2016 | ![]() | 4,288 × 2,848 (3.38 MB) | Moreau1 (talk | contribs) | == {{int:filedesc}} == {{Information |Description={{en|1=View of cutting head portion of a tunnel boring machine used for the {{w|DC Water}} "Clean Rivers Project" in Washington, D.C. The head was built in Germany and is 26 ft in diameter. In 2013 DC W... |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on en.wikipedia.org
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 |
---|---|
Camera model | NIKON D5000 |
Exposure time | 1/320 sec (0.003125) |
F-number | f/9 |
ISO speed rating | 200 |
Date and time of data generation | 14:03, 8 December 2014 |
Lens focal length | 24 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Ver.1.00 |
File change date and time | 14:03, 8 December 2014 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 14:03, 8 December 2014 |
Meaning of each component |
|
Image compression mode | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, auto mode |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
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 | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 36 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS tag version | 2.2.0.0 |