Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1414; DWR via DR1 - Off Botney Ground TSS, Area in SqKm: 331, (05/03/2013 to 15/04/2013), Standard: IHO S44ed5 Order 1a. Contract: Medium (2011). FY 2012/13. Contractor: MMT UK.