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: Geological Maps & Plans
: Geological Survey of England and Wales No.36
: A geological map showing part of Glamorganshire. Including Newport, Merthyr Tydvil, Cardiff, Cowbridge, Bridgend.
: Ordnance map office
: 01 Jan 1833: United Kingdom of Great Britain and Northern Ireland (UK) / Wales, Northern Europe, Europe
: Glamorganshire, including Newport, Merthyr Tydvil, Cardiff, Cowbridge, Bridgend