Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1377; Belfast Lough to St Johns Point, Area in SqKm: 355, (01/01/2013 to 01/06/2013), Standard: IHO S44ed5 Order 1a. Contract: Shallow. FY 2012/13. Contractor: EMU.