Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1078; South Ship Head to Black Deep (A), Area in SqKm: 22; South Ship Head to Black Deep (B), Area in SqKm: 15; South Ship Head to Black Deep (C), Area in SqKm: 2; South Ship Head to Black Deep (D), Area in SqKm: 2Caister Shoal & Caister Road, Area in SqKm: 29, (11/06/2004 to 06/07/2004), Standard: IHO S44ed4 Order 1. Contract: RRS (2004/05). FY 2004/05. Contractor: RN (NP1016).