Authors
C Turbitt
British Geological Survey, West Mains Road, Edinburgh EH9 3LA, United Kingdom
O Baillie
British Geological Survey, West Mains Road, Edinburgh EH9 3LA, United Kingdom
D Kerridge
British Geological Survey, West Mains Road, Edinburgh EH9 3LA, United Kingdom
E Clarke
British Geological Survey, West Mains Road, Edinburgh EH9 3LA, United Kingdom
