<p>NOAA Ship Thomas Jefferson, one of the most technologically advanced hydrographic survey vessels in the world, departed its Norfolk, Virginia, homeport on April 6, 2010, to conduct a five-month long effort to map the seafloor and look for hazards to navigation off the Gulf coast.
</p><p>To learn more about how NOS maps the sea floor, visit:
<a rel="nofollow" class="external text" href="http://nauticalcharts.noaa.gov/">Office of Coast Survey</a>
<a rel="nofollow" class="external text" href="http://www.noaanews.noaa.gov/stories2010/20100407_jefferson.html">Norfolk, Va.-based NOAA Ship Thomas Jefferson to Map Ocean Floor in Gulf of Mexico</a>
<a rel="nofollow" class="external text" href="http://oceanservice.noaa.gov/podcast/july09/dd071509.mp3">What Is Hydrography?</a> (<a rel="nofollow" class="external text" href="http://oceanservice.noaa.gov/podcast.html#dd">Diving Deeper audio podcast</a>)
<a rel="nofollow" class="external text" href="http://oceanservice.noaa.gov/education/seafloor-mapping/welcome.html">Sea Floor Mapping</a> (<a rel="nofollow" class="external text" href="http://oceanservice.noaa.gov/education/">National Ocean Service Education</a>)
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(Original source: <a rel="nofollow" class="external text" href="http://oceanservice.noaa.gov/images.html">National Ocean Service Image Gallery</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/40322276@N04">NOAA's National Ocean Service</a>
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usoceangov/4505637567/">NOAA Ship Thomas Jefferson</a>
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