Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1502; Gower Peninsula to Scarweather Sands, Area in SqKm: 407, (09/04/2017 to 19/09/2017), Standard: IHO S44ed5 Order 1a. Contract: Shallow. FY 2017/18. Contractor: Gardline.