Maritime and Coastguard Agency (MCA) Bathymetric Survey HI1638, EA9a Holm Channel Focused, (10/09/2019 to 17/10/2019)

Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1638; 1638, Standard: IHO S44ed5 Order 1a, FY 2019/2020