Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1156; Hamstead Ledge to Stansore Point, Area in SqKm: 29, (08/06/2006 to 26/06/2006), Standard: IHO S44ed5 Order 1a. Contract: Shallow (LT). FY 2006/07. Contractor: Fugro OSAE.