File:CPRR Donner Summit Tunnel Hand Drilled Granite 1868.jpg
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Summary[edit]
DescriptionCPRR Donner Summit Tunnel Hand Drilled Granite 1868.jpg |
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[edit]
Centpacrr at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
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Attribution: Centpacrr at English Wikipedia
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Original upload log[edit]
The original description page was here. All following user names refer to en.wikipedia.
Date/Time | Dimensions | User | Comment |
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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... |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:18, 28 February 2016 | 810 × 583 (320 KB) | FastilyClone (talk | contribs) | Transferred from enwp |
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