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File:Donner Pass Summit Tunnel West Portal.jpg

Description
English: Composited digital illustration depicting the West portal of the CPRR's "Summit Tunnel" (Tunnel #6) which was in continuous use by the CPRR, SPRR, and UPRR from 1868 to 1993 at Donner Pass (Norden, California) on Track #1 of the original "Sierra Grade" of the Central Pacific Railroad. (The tracks removed in 1993 have been digitally restored in this illustration.)
Date August, 2003
(7 June 2009 (original upload date))
Source Transferred from en.wikipedia; transferred to Commons by User:Sreejithk2000 using CommonsHelper.
(Original text : The Cooper Collection of US Railroad History (private collection))
Author DigitalImageServices.com. Original uploader was Centpacrr at en.wikipedia
Permission
( Reusing this file)

CC-BY-SA-3.0; Released under the GNU Free Documentation License.

Licensing

Centpacrr at en.wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
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attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: Centpacrr at en.wikipedia
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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Author CPRR.org
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used Adobe Photoshop CS4 Macintosh
File change date and time 16:57, 7 June 2009
Colour space Uncalibrated

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