Wales South 1911. Geological Map of Skomer Island and the adjacent Pembrokeshire Coast, colour

Wales South 1911. Geological Map of Skomer Island and the adjacent Pembrokeshire Coast, colour- printed folded map at 1:21,120 (3 ins = 1 mi), 27.5 x 57cm in ‘The Skomer Volcanic Series (Pembrokeshire)’ extract from Proceedings of the Geological Society, v.67. 1911. By Herbert H Thomas. Pp.175-214. Map and text in very good condition.