Maritime and Coastguard Agency (MCA) Bathymetric Survey HI1687, EA9-Holm_Channel-Full- Area, (07-OCT-20 to 29-OCT-20)

Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1687; EA9-Holm_Channel-Full- Area, Standard: IHO S44ed5 Order 1a, FY 2020/21