Guernsey's east coast seabed is being surveyed for depths and contours to update electronic map charts. The survey has been commissioned by Navionics, a manufacturer of electronic navigational ...

For U.S. Google Map users only, the body of water formerly known as the Gulf of Mexico will now appear as the Gulf of America ...

The survey has been commissioned by Navionics, a manufacturer of electronic navigational charts, and facilitated ... which uses sound waves to map the seafloor. Guernsey Ports said the survey ...