This is very neat to me. The mapping of the sea floor is becoming more and more important in recent years it seems like. I'm hearing about it more and more and how different countries are mapping the waters off their coasts- the waters under the North Pole have been mapped and more. The ships that are mapping the sea floor use a lot of the same techniques and instruments that are used to map land with the addition of other instruments like those that look for the seismic reflection- basically what kind of forms are under all that sand.
pubs.usgs.gov/fs/fs039-02/fs039-02.html- full article
