The following acknowledgement must accompany the reproduced BGS material:
'Reproduced with the permission of the British Geological Survey ©NERC. All rights Reserved'
Where figures, sketches, illustrations, diagrams, map extracts or cross-sections are used as the basis of specifically generated illustrations, the source of the material should be cited as follows:
'Based upon [source details], with the permission of the British Geological Survey'.
Reproduction of any BGS materials does not amount to an endorsement by NERC or any of its employees of any product or service and no such endorsement should be stated or implied.