File:HooverDamJumboRig.jpg
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This file was moved to Wikimedia Commons from en.wikipedia using a bot script. All source information is still present. It requires review. Additionally, there may be errors in any or all of the information fields; information on this file should not be considered reliable and the file should not be used until it has been reviewed and any needed corrections have been made. Once the review has been completed, this template should be removed. For details about this file, see below. Check now! |
| Description |
English: This piece of equipment, named a Jumbo Rig, was designed to speed up the Hoover Dam's tunnel drilling process. Built on the back of a 10-ton truck, 24 to 30 drills could be operated at once.
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| Date | 03:47, 20 June 2010 (UTC) (20 June 2010 (original upload date)) |
| Source | Transferred from en.wikipedia; transferred to Commons by User:NortyNort using CommonsHelper. (Original text : http://www.usbr.gov/lc/hooverdam/images/jumbo.jpg) |
| Author | Bureau of Reclamation. Original uploader was NortyNort at en.wikipedia |
| Permission ( Reusing this file) |
PD-USGOV. |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See 206.02(b) of Compendium II: Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use. |
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