Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1438; The Swale to Minnis Bay, Area in SqKm: 39, (16/07/2013 to 12/08/2013), Standard: IHO S44ed5 Order 1a. Contract: SE Coastal Monitoring Programme. FY 2013/14. Contractor: MMT UK.