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: Ci140
: Geological Maps & Plans
: Map
: Geological Survey of Great Britain Horizontal Section No. 31
: Folded map in removable cardboard cover. Four horizontal geological cross-sections from the 'Suspention bridge, Menai Straits across Y Clyder-Fawr, Moel Siabod, Bala lake etc. S.E. Direction.'
: Geological survey office
: 1854
: United Kingdom of Great Britain and Northern Ireland (UK) / Wales, Northern Europe, Europe: Suspention bridge, Menai Straits across Y Clyder-Fawr, Moel Siabod, Bala lake
: 1854