Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1432; East Anglia - EA3 Cockle Shoal Area A, Area in SqKm: 0; East Anglia - EA3 Cockle Shoal Area B, Area in SqKm: 1; East Anglia - EA9 Holm Channel, Area in SqKm: 14; East Anglia - EA10 Stanford Ch Area A, Area in SqKm: 2; East Anglia - EA10 Stanford Ch Area B, Area in SqKm: 1, (01/09/2013 to 01/12/2013), Standard: IHO S44ed5 Order 1a. Contract: RRS. FY 2013/14. Contractor: EGS.