Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1437; Selsey Bill to Lee-on-Solent, Area in SqKm: 192, (15/05/2013 to 10/07/2013), Standard: IHO S44ed5 Order 1a. Contract: SE Coastal Monitoring Programme. FY 2013/14. Contractor: MMT UK.