File:24 inch ice auger US Navy 1967.png
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Summary
| Description |
English: 24 inch auger used in testing polar construction equipment for the US Navy |
| Date | |
| Source | Beard & Hoffman (1967). "Polar construction equipment: Investigation of drilling equipment". Port Hueneme, California: US Navy Civil Engineering Laboratory Technical Note N-887. |
| Author | A.H. Beard and C.R. Hoffman |
Licensing
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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. | ||
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:00, 22 November 2017 | | 533 × 402 (105 KB) | Mike Christie | User created page with UploadWizard |
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