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: Ci263
: Geological Maps & Plans
: Map
: The South Wales Coal field Monmouthshire Area
: A geological cross section of part of the South Wales coal field In Monmouthshire from Rhymney to Cwmbran. Cutting through Mynydd Twyn-Glos, Western Valley, Sirhowy Valleye etc for coal mining.
: Spottiswoode and Co. Ltd.
: Jordan, Henry K.: United Kingdom of Great Britain and Northern Ireland (UK) / Wales, Northern Europe, Europe: Rhymney,Cwmbran, Mynydd Twyn-Glos, Western Valley, Sirhowy Valley
: 1908