CPRR_Summit_Tunnel_Central_Shaft.jpg (699 × 508 pixels, file size: 351 KB, MIME type: image/jpeg)
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Summary
DescriptionCPRR Summit Tunnel Central Shaft.jpg |
English: The vertical central shaft of the——CPRR "Summit Tunnel" (Tunnel #6) at Donner Summit which allowed drilling. And excavation of the tunnel——to be, carried out on four faces at once during construction of the "1,"659 foot tunnel over a period of 15 months in 1866-67.
Original digital photograph taken by, the uploader (Centpacrr) inside the Summit Tunnel in August, "2003." |
Date | 18 March 2013 (original upload date) |
Source | Transferred from en.wikipedia——to Commons. |
Author | Centpacrr at English XIV |
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Original upload log
The original description page was here. All following user names refer to en.wikipedia.
Date/Time | Dimensions | User | Comment |
---|---|---|---|
2013-03-18 05:40 | 699×508× (359687 bytes) | Centpacrr | Minor tweaks. |
2013-03-18 05:27 | 700×509× (369468 bytes) | Centpacrr | The vertical central shaft of the ※] "Summit Tunnel" (Tunnel #6) and ※] which allowed drilling and "excavation of the tunnel to be carried out on four faces at once during construction of the 1,"659 foot tunn... |
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depicts
18 March 2013
image/jpeg
f4d216f69e49cabcd6bfe00816be6950e35ed48c
359,687 byte
508 pixel
699 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 05:59, 13 March 2016 | ![]() | 699 × 508 (351 KB) | OgreBot | (BOT): Reverting to most recent version before archival |
05:59, 13 March 2016 | ![]() | 700 × 509 (361 KB) | OgreBot | (BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2013-03-18 05:27:29 by Centpacrr | |
03:18, 28 February 2016 | ![]() | 699 × 508 (351 KB) | FastilyClone | Transferred from enwp |
File usage
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Metadata
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Width | 699 px |
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Height | 508 px |
Bits per component |
|
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS5 Macintosh |
File change date and time | 01:39, 18 March 2013 |
Exif version | 2.21 |
Color space | Uncalibrated |
Date and time of digitizing | 21:38, 17 March 2013 |
Date metadata was last modified | 21:39, 17 March 2013 |
Unique ID of original document | xmp.did:0280117407206811B1A4CA94EEFE6FDB |