Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1246; Lizard Point to Lands End, Area in SqKm: 93, (11/06/2008 to 11/06/2008), Standard: IHO S44ed5 Order 1a. Contract: SW Coastal Monitoring Programme. FY 2008/09. Contractor: Halcrow.