Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1441; Loch Etive, Area in SqKm: 50, (03/02/2014 to 26/02/2014), Standard: IHO S44ed5 Order 1a. Contract: Other. FY 2013/14. Contractor: SAMS.