https://www.data.gov.uk/dataset/1b4b65e4-349d-433d-9307-16bc9b704395/maritime-and-coastguard-agency-mca-bathymetric-survey-hi1059-w-approaches-to-english-ch-05-2005
Maritime and Coastguard Agency (MCA) Bathymetric Survey HI1059, W Approaches to English Channel,...