Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1393; Approaches to Loch Inver, Area in SqKm: 159, (28/03/2013 to 25/04/2013), Standard: IHO S44ed5 Order 1a. Contract: ETV. FY 2011/12. Contractor: NetSurvey.