Maritime and Coastguard Agency (MCA) Bathymetric Survey HI1676, Western Approach to Aberporth, (09/09/2020 to 05/02/2021)

Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1676; Western Approach to Aberporth, Standard: IHO S44ed5 Order 1a, FY 2020/21