Geology Digimap
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Browse, view and print geological maps of the UK. Download for use in a Geographic Information System (GIS) or image processing software. Maps include: 1:625,000 solid and drift geology; 1:250,000 solid geology and linear features.
For information on how to register to use this resource please see http://digimap.edina.ac.uk/webhelp/digimapsupport/access/registration.htm