Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1358; Spurn Point to Flamborough Head, Area in SqKm: 215, (07/01/2011 to 05/05/2011), Standard: IHO S44ed5 Order 1a. Contract: East Riding of Yorkshire Council. FY 2010/11. Contractor: NetSurvey.