Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1157; Hartland Point to Lands End, Area in SqKm: 1962, (20/04/2009 to 31/03/2011), Standard: IHO S44ed5 Order 1a. Contract: Shallow (LT). FY 2009/10. Contractor: Fugro OSAE.