Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1317; Christchurch Bay, Area in SqKm: 17, (07/04/2010 to 18/10/2010), Standard: IHO S44ed5 Order 1a. Contract: SE Coastal Monitoring Programme. FY 2009/10. Contractor: Fathoms.