File:CPRR Donner Summit Tunnel Hand Drilled Granite 1868.jpg
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Summary
| Description |
English: Composite illustration of hand drilling marks on the granite walls inside of CPRR Tunnel #6 (the "Summit Tunnel") and a piece of granite removed from the tunnel after blasting with a drill mark.
Both digital photographs and composite illustration by the uploader (Centpacrr). Drilled granite sample in uploader's collection, "The Cooper Collection of US Railroadiana". |
| Date | 23 February 2013 (original upload date) |
| Source | Transferred from en.wikipedia to Commons. |
| Author | Centpacrr at English Wikipedia |
Licensing
Centpacrr at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: Centpacrr at English Wikipedia
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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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 |
|---|---|---|---|
| 2013-02-23 12:44 | 810×583× (327224 bytes) | Centpacrr | Composite illustration of hand drilling marks on the granite walls inside of [[Central Pacific Railroad|CPRR]] Tunnel #6 (the "Summit Tunnel") and a piece of granite removed from the tunnel after blasting with a drill mark. <small>Both digital photogr... |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:18, 28 February 2016 | | 810 × 583 (320 KB) | FastilyClone | Transferred from enwp |
File usage
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