British survey vessel maps Thames seabed near key port

British survey vessel maps Thames seabed near key port

Royal Navy survey vessel HMS Magpie has completed three months of work mapping the Thames seabed around London Gateway and other locations, gathering data intended to support shipping, underwater infrastructure security and military operations. The Royal Navy said the 18-metre survey craft collected detailed information on the depth, topography and composition of the riverbed, including waters surrounding London Gateway, which it described as th…