Source: <a rel="nofollow" class="external free" href="http://www.onr.navy.mil/Focus/ocean/regions/oceanfloor2.htm">http://www.onr.navy.mil/Focus/ocean/regions/oceanfloor2.htm</a>
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Jo_Weber" title="User:Jo Weber">Jo</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Jo_Weber" title="User talk:Jo Weber"><span class="signature-talk">talk</span></a>)</li>
<li><a href="//commons.wikimedia.org/wiki/File:Continental_shelf.png" title="File:Continental shelf.png">Continental_shelf.png</a>: Original uploader was <a href="//commons.wikimedia.org/w/index.php?title=User:Interiot&amp;action=edit&amp;redlink=1" class="new" title="User:Interiot (page does not exist)">Interiot</a></li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Continental_shelf.png" title="File:Continental shelf.png">Continental_shelf.png</a></li></ul>