File:NTS - Big Hole Drilling 006.jpg
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English: Nevada Test Site. Large diameter bits are used to drill Big Holes at the Nevada Test Site. Big holes measure from 36 to 144 inches in diameter with depths from a 500 to 5,000 feet. Above the bit are massive steel collars measuring just a few inches less than the bit and weighing up to 450,000 lbs. |
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| Date | Unknown date | |
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| Author | Federal Government of the United States |
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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.
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 § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 19:30, 18 October 2011 | | 1,135 × 1,429 (202 KB) | Bomazi (talk | contribs) | {{Information |Description ={{en|1=Nevada Test Site. Large diameter bits are used to drill ''Big Holes'' at the Nevada Test Site. Big holes measure from 36 to 144 inches in diameter with depths from a 500 to 5,000 feet. Above the bit are massive steel |
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