File:Wire drag operations.jpg
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Wire_drag_operations.jpg (700 × 452 pixels, file size: 98 KB, MIME type: image/jpeg)
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Summary
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| Description |
English: A United States Coast and Geodetic Survey diagram of wire drag hydrographic survey operations. The basic principle is to drag a wire attached to two vessels; if the wire encounters an obstruction it will come taut and form a "V." |
| Date | circa 1920 |
| Source | http://usasearch.gov/search?v%3aproject=firstgov-noaa-images&v%3afile=viv_1133%4023%3aatwYe1&v%3aframe=viewimage&v%3astate=%28root%29%7croot&id=Ndoc16&rpaid=& |
| Author | NOAA image |
Licensing
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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Original upload log
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The original description page was here. All following user names refer to en.wikipedia.
- 2009-10-20 23:21 Mdnavman 700×452× (100256 bytes) {{Information |Description = A [[United States Coast and Geodetic Survey]] diagram of [[wire drag]] [[hydrographic survey]] operations. The basic principle is to drag a wire attached to two vessels; if the wire encounters an obstruction it will come t
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:51, 15 July 2012 | | 700 × 452 (98 KB) | MGA73bot2 (talk | contribs) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|A en:United States Coast and Geodetic Survey diagram of en:wire drag [[:en:hydrographic... |
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