Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1368; Wallet Spitway (Additional area), Area in SqKm: 6; TE6A Black Deep Focused Area 2, Area in SqKm: 3; Dover DWR C1, Area in SqKm: 6; TE3A Sunk Focused, Area in SqKm: 5; TE6A Black Deep Focused Area 1, Area in SqKm: 1; TEE5A Sunk DWR Focused Area, Area in SqKm: -4; TE5A Trinity and Long Sand Head, Area in SqKm: 6; TE3A Sunk Focused, Area in SqKm: 5, (01/07/2011 to 04/08/2011), Standard: IHO S44ed5 Order 1a. Contract: RRS. FY 2011/12. Contractor: MMT/NetSurvey.