Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1496; Folkestone to Goodwin Sands, Area in SqKm: 126, (30/07/2016 to 13/09/2016), Standard: IHO S44ed5 Order 1a. Contract: Shallow. FY 2016/17. Contractor: Gardline.