Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1259; Caister Roads (A), Area in SqKm: 4; Caister Roads (B), Area in SqKm: 4, (01/06/2008 to 06/06/2008), Standard: IHO S44ed4 Order 1. Contract: RRS (2006 LT). FY 2008/09. Contractor: MMT.