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The Rocks of Wales – BGS Geological Map of Wales

Solid geology map of Wales at 1:250,000 from the British Geological Survey. This is a 2005 reprint of the 1st edition of this map originally published by BGS in 1994. The map is designed to show principal chronostratigraphical divisions (age) down to ‘˜Series’™ level by colour, and, where possible, gross lithology by ornamented overprint. The underlying base map shows important towns and cities, main roads, major rivers and significant topographical features. Map legend and the accompanying text are in English and Welsh.