https://www.data.gov.uk/dataset/3a30cb59-cb68-4b3c-bd4e-a019406e559f/maritime-and-coastguard-agency-mca-bathymetric-survey-hi1292-east-anglia-routine-resurv-08-2009
Maritime and Coastguard Agency (MCA) Bathymetric Survey HI1292, East Anglia Routine Resurvey,...
bathymetric survey