Detailed digital geological map data based on BGS's National Grid and County series 1:10 000 and 1:10 560 scale maps with updated nomenclature.
Generalised digital geological map data based on BGS's New Series 1:50 000 and 1:63 360 scale (one-inch to one-mile) maps with updated nomenclature.
Generalised digital geological map data based on BGS's published poster maps of the UK (north and south).
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